diff --git "a/wnsmir/\352\265\254\355\230\204/\354\235\270\352\265\254\354\235\264\353\217\231.py" "b/wnsmir/\352\265\254\355\230\204/\354\235\270\352\265\254\354\235\264\353\217\231.py"
new file mode 100644
index 0000000..e3afae2
--- /dev/null
+++ "b/wnsmir/\352\265\254\355\230\204/\354\235\270\352\265\254\354\235\264\353\217\231.py"
@@ -0,0 +1,62 @@
+from collections import deque
+
+N, L, R = map(int, input().split())
+
+# 지도 받기
+land = [list(map(int, input().split())) for _ in range(N)]
+move = False
+dx = [1, -1, 0, 0]
+dy = [0, 0, 1, -1]
+day = 0
+
+while True:
+    day += 1
+    unify = []
+    visited = [[False]*N for _ in range(N)]
+
+    for i in range(N):
+        for j in range(N):
+            # 이미 방문한곳이라면 pass
+            if visited[i][j] == True:
+                continue
+
+            start = (i, j)
+            queue = deque()
+            queue.append(start)
+            uni = []
+            while queue:
+                x, y = queue.popleft()
+                for d in range(4):
+                    nx = x + dx[d]
+                    ny = y + dy[d]
+                    if 0 <= nx < N and 0 <= ny < N:
+                        if visited[nx][ny] == False:
+                            # 차이가 L이상 R이하라면 추가
+                            if L <= abs(land[x][y] - land[nx][ny]) <= R:
+                                visited[nx][ny] = True
+                                queue.append((nx, ny))
+                                uni.append((nx, ny))
+
+            # 이번턴에 생긴 덩어리들 추가
+            if len(uni) > 0:
+                unify.append(uni)
+    
+    # 인구이동이 진행되는 경우 인구이동 진행
+    if len(unify) > 0:
+        # 인구이동 진행
+        for uni in unify:
+            e_value = 0
+            for x, y in uni:
+                value = land[x][y] 
+                e_value += value
+            
+            e_count = len(uni)
+            population = e_value//e_count
+            for u in uni:
+                x, y = u
+                land[x][y] = population
+
+    # 안되는 경우 while문 종료하고 해당 일자 print
+    else:
+        print(day - 1)
+        break
\ No newline at end of file