n = input() if len(n) == 4 and not(n[1] == n[0] == 0): n = int(n) a = n % 10 b = n // 10 % 10 c = n // 100 % 10 d = n // 1000 print(d * 10 + c + b * 10 + a) m = (d * 10 + c ) / (b * 10 + a ) print(f"{m:.1f}") /************************************************************** Problem: 1609 User: lzk Language: Python Result: Accepted Time:79 ms Memory:34480 kb ****************************************************************/