diff --git a/fib.abc b/a/fib.abc
similarity index 100%
rename from fib.abc
rename to a/fib.abc
diff --git a/fib.adb b/a/fib.adb
similarity index 100%
rename from fib.adb
rename to a/fib.adb
diff --git a/fib.alg b/a/fib.alg
similarity index 100%
rename from fib.alg
rename to a/fib.alg
diff --git a/fib.awk b/a/fib.awk
similarity index 100%
rename from fib.awk
rename to a/fib.awk
diff --git a/fib.b b/b/fib.b
similarity index 100%
rename from fib.b
rename to b/fib.b
diff --git a/fib.bal b/b/fib.bal
similarity index 100%
rename from fib.bal
rename to b/fib.bal
diff --git a/fib.bas b/b/fib.bas
similarity index 100%
rename from fib.bas
rename to b/fib.bas
diff --git a/fib.bat b/b/fib.bat
similarity index 100%
rename from fib.bat
rename to b/fib.bat
diff --git a/b/fib.boo b/b/fib.boo
new file mode 100644
index 0000000..fa3982a
--- /dev/null
+++ b/b/fib.boo
@@ -0,0 +1,20 @@
+def fibonacci(n as int) as int:
+    if n <= 0:
+        return 0
+    elif n == 1:
+        return 1
+    else:
+        a = 0
+        b = 1
+        result = 0
+        
+        for i in range(2, n + 1):
+            result = a + b
+            a = b
+            b = result
+        
+        return result
+
+# Пример использования
+n = 10
+print("Число Фибоначчи для n = {n}: {fibonacci(n)}")
diff --git a/fib.brat b/b/fib.brat
similarity index 100%
rename from fib.brat
rename to b/fib.brat
diff --git a/fib.bruh b/b/fib.bruh
similarity index 100%
rename from fib.bruh
rename to b/fib.bruh
diff --git a/fib.bsh b/b/fib.bsh
similarity index 100%
rename from fib.bsh
rename to b/fib.bsh
diff --git a/fib.c b/c/fib.c
similarity index 100%
rename from fib.c
rename to c/fib.c
diff --git a/fib.cb b/c/fib.cb
similarity index 100%
rename from fib.cb
rename to c/fib.cb
diff --git a/fib.ceylon b/c/fib.ceylon
similarity index 100%
rename from fib.ceylon
rename to c/fib.ceylon
diff --git a/fib.clj b/c/fib.clj
similarity index 100%
rename from fib.clj
rename to c/fib.clj
diff --git a/fib.cob b/c/fib.cob
similarity index 100%
rename from fib.cob
rename to c/fib.cob
diff --git a/fib.coffee b/c/fib.coffee
similarity index 100%
rename from fib.coffee
rename to c/fib.coffee
diff --git a/fib.cpp b/c/fib.cpp
similarity index 100%
rename from fib.cpp
rename to c/fib.cpp
diff --git a/fib.cr b/c/fib.cr
similarity index 100%
rename from fib.cr
rename to c/fib.cr
diff --git a/fib.cs b/c/fib.cs
similarity index 100%
rename from fib.cs
rename to c/fib.cs
diff --git a/fib.d b/d/fib.d
similarity index 100%
rename from fib.d
rename to d/fib.d
diff --git a/fib.dart b/d/fib.dart
similarity index 100%
rename from fib.dart
rename to d/fib.dart
diff --git a/fib.erl b/e/fib.erl
similarity index 100%
rename from fib.erl
rename to e/fib.erl
diff --git a/fib.etch b/e/fib.etch
similarity index 100%
rename from fib.etch
rename to e/fib.etch
diff --git a/fib.ex b/e/fib.ex
similarity index 100%
rename from fib.ex
rename to e/fib.ex
diff --git a/fib.f90 b/f/fib.f90
similarity index 100%
rename from fib.f90
rename to f/fib.f90
diff --git a/fib.frt b/f/fib.frt
similarity index 100%
rename from fib.frt
rename to f/fib.frt
diff --git a/fib.fs b/f/fib.fs
similarity index 100%
rename from fib.fs
rename to f/fib.fs
diff --git a/fib.go b/g/fib.go
similarity index 100%
rename from fib.go
rename to g/fib.go
diff --git a/fib.grk b/g/fib.grk
similarity index 100%
rename from fib.grk
rename to g/fib.grk
diff --git a/fib.gst b/g/fib.gst
similarity index 100%
rename from fib.gst
rename to g/fib.gst
diff --git a/fib.hs b/h/fib.hs
similarity index 100%
rename from fib.hs
rename to h/fib.hs
diff --git a/fib.hx b/h/fib.hx
similarity index 100%
rename from fib.hx
rename to h/fib.hx
diff --git a/fib.io b/i/fib.io
similarity index 100%
rename from fib.io
rename to i/fib.io
diff --git a/fib.janet b/j/fib.janet
similarity index 100%
rename from fib.janet
rename to j/fib.janet
diff --git a/fib.java b/j/fib.java
similarity index 100%
rename from fib.java
rename to j/fib.java
diff --git a/fib.jl b/j/fib.jl
similarity index 100%
rename from fib.jl
rename to j/fib.jl
diff --git a/fib.js b/j/fib.js
similarity index 100%
rename from fib.js
rename to j/fib.js
diff --git a/fib.kt b/k/fib.kt
similarity index 100%
rename from fib.kt
rename to k/fib.kt
diff --git a/fib.lisp b/l/fib.lisp
similarity index 100%
rename from fib.lisp
rename to l/fib.lisp
diff --git a/fib.lol b/l/fib.lol
similarity index 100%
rename from fib.lol
rename to l/fib.lol
diff --git a/fib.lua b/l/fib.lua
similarity index 100%
rename from fib.lua
rename to l/fib.lua
diff --git a/fib.m b/m/fib.m
similarity index 100%
rename from fib.m
rename to m/fib.m
diff --git a/fib.ml b/m/fib.ml
similarity index 100%
rename from fib.ml
rename to m/fib.ml
diff --git a/fib.mon b/m/fib.mon
similarity index 100%
rename from fib.mon
rename to m/fib.mon
diff --git a/fib.nim b/n/fib.nim
similarity index 100%
rename from fib.nim
rename to n/fib.nim
diff --git a/fib.php b/p/fib.php
similarity index 100%
rename from fib.php
rename to p/fib.php
diff --git a/fib.pl b/p/fib.pl
similarity index 100%
rename from fib.pl
rename to p/fib.pl
diff --git a/fib.pony b/p/fib.pony
similarity index 100%
rename from fib.pony
rename to p/fib.pony
diff --git a/fib.ps1 b/p/fib.ps1
similarity index 100%
rename from fib.ps1
rename to p/fib.ps1
diff --git a/fib.py b/p/fib.py
similarity index 100%
rename from fib.py
rename to p/fib.py
diff --git a/fib.r b/r/fib.r
similarity index 100%
rename from fib.r
rename to r/fib.r
diff --git a/fib.rb b/r/fib.rb
similarity index 100%
rename from fib.rb
rename to r/fib.rb
diff --git a/fib.red b/r/fib.red
similarity index 100%
rename from fib.red
rename to r/fib.red
diff --git a/fib.ring b/r/fib.ring
similarity index 100%
rename from fib.ring
rename to r/fib.ring
diff --git a/fib.rkt b/r/fib.rkt
similarity index 100%
rename from fib.rkt
rename to r/fib.rkt
diff --git a/fib.rs b/r/fib.rs
similarity index 100%
rename from fib.rs
rename to r/fib.rs
diff --git a/fib.S b/s/fib.S
similarity index 100%
rename from fib.S
rename to s/fib.S
diff --git a/fib.scala b/s/fib.scala
similarity index 100%
rename from fib.scala
rename to s/fib.scala
diff --git a/fib.scm b/s/fib.scm
similarity index 100%
rename from fib.scm
rename to s/fib.scm
diff --git a/fib.sh b/s/fib.sh
similarity index 100%
rename from fib.sh
rename to s/fib.sh
diff --git a/fib.swift b/s/fib.swift
similarity index 100%
rename from fib.swift
rename to s/fib.swift
diff --git a/t/fib.tcl b/t/fib.tcl
new file mode 100644
index 0000000..a12eae4
--- /dev/null
+++ b/t/fib.tcl
@@ -0,0 +1,23 @@
+proc fibonacci {n} {
+    if {$n <= 0} {
+        return 0
+    } elseif {$n == 1} {
+        return 1
+    } else {
+        set a 0
+        set b 1
+        set result 0
+        
+        for {set i 2} {$i <= $n} {incr i} {
+            set result [expr {$a + $b}]
+            set a $b
+            set b $result
+        }
+        
+        return $result
+    }
+}
+
+# Пример использования
+set n 10
+puts "Число Фибоначчи для n=$n: [fibonacci $n]"
diff --git a/fib.ts b/t/fib.ts
similarity index 100%
rename from fib.ts
rename to t/fib.ts
diff --git a/fib.v b/v/fib.v
similarity index 100%
rename from fib.v
rename to v/fib.v
diff --git a/fib.vala b/v/fib.vala
similarity index 100%
rename from fib.vala
rename to v/fib.vala
diff --git a/fib.vb b/v/fib.vb
similarity index 100%
rename from fib.vb
rename to v/fib.vb
diff --git a/fib.vhd b/v/fib.vhd
similarity index 100%
rename from fib.vhd
rename to v/fib.vhd
diff --git a/fib.wren b/w/fib.wren
similarity index 100%
rename from fib.wren
rename to w/fib.wren
diff --git a/fib.zig b/z/fib.zig
similarity index 100%
rename from fib.zig
rename to z/fib.zig