⚡️ abc258a

Author: reo11

atcoder/abc/abc201-300/abc258/a.py

@@ -0,0 +1,8 @@
+k = int(input())
+
+h = k // 60
+m = k % 60
+h += 21
+if m <= 9:
+    m = '0' + str(m)
+print(f"{h}:{m}")