diff --git "a/YoonYn9915/Graph/2025-06-16-[\353\260\261\354\244\200]-#14226-\354\235\264\353\252\250\355\213\260\354\275\230.py" "b/YoonYn9915/Graph/2025-06-16-[\353\260\261\354\244\200]-#14226-\354\235\264\353\252\250\355\213\260\354\275\230.py"
new file mode 100644
index 0000000..0a0b1bc
--- /dev/null
+++ "b/YoonYn9915/Graph/2025-06-16-[\353\260\261\354\244\200]-#14226-\354\235\264\353\252\250\355\213\260\354\275\230.py"
@@ -0,0 +1,34 @@
+from collections import deque
+import sys
+
+S = int(sys.stdin.readline().strip())
+
+# visited[screen][clipboard]
+visited = [[-1] * (S + 1) for _ in range(S + 1)]
+
+queue = deque()
+queue.append((1, 0))  # 화면: 1, 클립보드: 0
+visited[1][0] = 0
+
+while queue:
+    screen, clipboard = queue.popleft()
+
+    # 목표 이모티콘 수에 도달하면 종료
+    if screen == S:
+        print(visited[screen][clipboard])
+        break
+
+    # 1. 복사 (화면 -> 클립보드)
+    if visited[screen][screen] == -1:
+        visited[screen][screen] = visited[screen][clipboard] + 1
+        queue.append((screen, screen))
+
+    # 2. 붙여넣기 (클립보드 -> 화면)
+    if clipboard != 0 and screen + clipboard <= S and visited[screen + clipboard][clipboard] == -1:
+        visited[screen + clipboard][clipboard] = visited[screen][clipboard] + 1
+        queue.append((screen + clipboard, clipboard))
+
+    # 3. 삭제 (화면 -1)
+    if screen - 1 >= 0 and visited[screen - 1][clipboard] == -1:
+        visited[screen - 1][clipboard] = visited[screen][clipboard] + 1
+        queue.append((screen - 1, clipboard))
diff --git "a/YoonYn9915/Graph/2025-06-21-[\353\260\261\354\244\200]-#13549-\354\210\250\353\260\224\352\274\255\354\247\210 3.py" "b/YoonYn9915/Graph/2025-06-21-[\353\260\261\354\244\200]-#13549-\354\210\250\353\260\224\352\274\255\354\247\210 3.py"
new file mode 100644
index 0000000..faa5197
--- /dev/null
+++ "b/YoonYn9915/Graph/2025-06-21-[\353\260\261\354\244\200]-#13549-\354\210\250\353\260\224\352\274\255\354\247\210 3.py"	
@@ -0,0 +1,50 @@
+import sys
+from collections import deque
+
+inp = sys.stdin.readline
+
+N, K = map(int, inp().strip().split())
+# 해당 위치로 도달한 최소 시간 저장
+visited = [-1] * (100_000 + 1)
+visited[N] = 0
+
+# (위치, 시간) 형식
+queue = deque()
+queue.append((N, 0))
+
+dx = [2, -1, 1]
+
+min_time = -1
+
+while queue:
+    subin_loc, time = queue.popleft()
+
+    # 수빈이가 동생에게 도달한 시간까지만 bfs탐색하고 그 후에 종료
+    if min_time != -1 and min_time + 2 == time:
+        break
+
+    # 수빈이가 동생에게 도달한 시간체크
+    if min_time == -1 and subin_loc == K:
+        min_time = visited[subin_loc]
+
+    # 수빈의 위치에서 3가지 이동
+    for i in range(3):
+        if i == 0:
+            new_loc = subin_loc * dx[i]
+        else:
+            new_loc = subin_loc + dx[i]
+
+        # 새 위치가 범위 안
+        if 0 <= new_loc <= 100_000:
+            # 새로 방문한 위치가 이전에 와보지 못했다면,
+            if visited[new_loc] == -1:
+                # 방문 시간 설정해주고 경로 초기화
+                if i == 0:
+                    visited[new_loc] = visited[subin_loc]
+                    queue.append((new_loc, time))
+                else:
+                    visited[new_loc] = visited[subin_loc] + 1
+                    queue.append((new_loc, time + 1))
+
+
+print(visited[K])
diff --git "a/YoonYn9915/implementation/2025-06-21-[\353\260\261\354\244\200]-#10828-\354\212\244\355\203\235.py" "b/YoonYn9915/implementation/2025-06-21-[\353\260\261\354\244\200]-#10828-\354\212\244\355\203\235.py"
new file mode 100644
index 0000000..148c1bc
--- /dev/null
+++ "b/YoonYn9915/implementation/2025-06-21-[\353\260\261\354\244\200]-#10828-\354\212\244\355\203\235.py"
@@ -0,0 +1,30 @@
+import sys
+input = sys.stdin.readline
+
+N = int(input())
+
+stack = []
+def query():
+    Q = input().split()
+    if Q[0] == "push":
+        stack.append(int(Q[1]))
+    elif Q[0] == "pop":
+        if len(stack):
+            print(stack.pop())
+        else:
+            print(-1)
+    elif Q[0] == "size":
+        print(len(stack))
+    elif Q[0] == "empty":
+        if len(stack):
+            print(0)
+        else:
+            print(1)
+    elif Q[0] == "top":
+        if len(stack):
+            print(stack[-1])
+        else:
+            print(-1)
+
+for _ in range(N):
+    query()
\ No newline at end of file