import sys a, b, c = map(int, input().split()) total = 0 runyear_day = [31,29,31,30,31,30,31,31,30,31,30,31] pingyear_day = [31,28,31,30,31,30,31,31,30,31,30,31] if (a % 4 == 0 and a % 100 != 0) or a % 400 == 0: for i in range(b-1): total += runyear_day[i] total += c else: for k in range(b-1): total...