diff --git a/01/app.js b/01/app.js
index 96dc2f5..4e79644 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,9 @@
 const randomNumber = Math.round(Math.random() * 20);
-console.log(randomNumber);
+
+if (randomNumber > 5) {
+  for (i = 5; i <= randomNumber; i++) {
+    console.log(i);
+  }
+} else {
+  console.log("Wylosowana liczba jest zbyt mała, aby użyć pętli!");
+}
diff --git a/02/app.js b/02/app.js
index 8a41914..52f5e3c 100644
--- a/02/app.js
+++ b/02/app.js
@@ -1,2 +1,15 @@
 const x = 5;
-let result = 0;
\ No newline at end of file
+
+let resultFor = 0;
+for (let i = 1; i <= x; i++) {
+  resultFor = resultFor + i;
+  console.log(resultFor);
+}
+
+let resultWhile = 0;
+let j = 1;
+while (j <= x) {
+  resultWhile = resultWhile + j;
+  j++;
+  console.log(resultWhile);
+}
diff --git a/03/app.js b/03/app.js
index c26c886..4bae065 100644
--- a/03/app.js
+++ b/03/app.js
@@ -1,3 +1,10 @@
-const x = 10;
+const x = 5;
+let randomNumber;
 let iteration = 0;
-let randomNumber = -1;
\ No newline at end of file
+
+while (randomNumber !== x) {
+  randomNumber = Math.round(Math.random() * 20);
+  console.log(randomNumber);
+  iteration++;
+}
+console.log(`Potrzebowałaś ${iteration} prób/y.`);