a,b,c = input().split() data = [31,28,31,30,31,30,31,31,30,31,30,31] num=0 if int(a) % 4 == 0 and int(a) % 100 != 0 : data[1] = 29 for i in range(int(b)-1): num+=data[i] print(num+int(c))