/*
 * 输入年月日，计算这的这年的第几天
 * */
#include <stdio.h>
/***************************************************************
 *                         闰年判断
 * *************************************************************/
int year_rn(int year) {
//    printf("%d\n",year);
    if(year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)) {
        return 1;
    }        
}
/****************************************************************
 *                      该月前天数判断
 * **************************************************************/
int mouth_sum(int mouth) {
    switch(mouth){
        case 1 : return 0;
        case 2 : return 31;
        case 3 : return 59;
        case 4 : return 90;
        case 5 : return 120;
        case 6 : return 151;
        case 7 : return 181;
        case 8 : return 212;
        case 9 : return 243;
        case 10 : return 273;
        case 11 : return 304;
        case 12 : return 334;
    }
}

int main() {
    int year = 0, mouth = 0, day = 0, sign_rn = 0, mou_sum = 0, sum = 0;
    printf("请输入年，月，日：\n");
    scanf("%d%d%d", &year, &mouth, &day);
    sign_rn = year_rn(year);
//    if(sign_rn == 1) {
//        printf("%d是闰年", year);
//    }

    mou_sum = mouth_sum(mouth);
    if(sign_rn == 1 && mouth > 2) {
        mou_sum = mou_sum + 1;
    }
    else {
        mou_sum = mou_sum;
    }
//    printf("%d月前有%d天\n", mouth, mou_sum);

    sum = mou_sum + day;
    printf("%d年%d月%d日在今年是第%d天", year, mouth, day, sum);
    return 0;
}