create dev channel

zeta/py/11025.py

@@ -0,0 +1,9 @@
+def solve(N, K):
+    ret = 1
+    for i in range(2, N + 1):
+        ret = (ret + K - 1) % i + 1
+    return ret
+
+
+if __name__ == "__main__":
+    print(solve(*map(int, input().split())))