while True: try: n, y, r = map(int, input().split()) rui = 0 if (n % 4 == 0 and n % 400 != 0) or n % 400 == 0: rui = 1 yue = [31,28,31,30,31,30,31,31,30,31,30,31] s = 0 for i in range(y-1): s += yue[i] s = s + r + rui print(s) except: break