#include<stdio.h>
int main()
{
	int a[2][13] ={
		          { 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
	        	  { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
	              };
	int i, j, year, month, day=0;
	printf("请输入年月日\n");
	scanf("%d%d%d", &year, &month, &day);
	if ((year % 4) == 0 && (year % 100) != 0 || (year % 400) == 0)
		for (i = 1; i < month; i++)
			day = day + a[0][i];
	else
		for (i = 1; i < month; i++)
			day = day + a[1][i];
	printf("这一年的第%d天\n", day);
	return 0;
}