#include <stdio.h> int isLeapYear(int y) { if ((y % 4 == 0 && y % 100 != 0)||(y % 400 == 0)) { return 1; } return 0; } int main() { int year, month, day; int months[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31}; while (scanf("%d %d", &ye...