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#include "stdio.h"

int main()

{

int iYear,iMonth,iDay,iSum;

printf("请输入年月日：");

scanf("%d %d %d",&iYear,&iMonth,&iDay);

if(iMonth>12||iMonth<1)

{

printf("错误，请重新输入");

return 0;

}

if(iDay>31||iDay<1)

{

printf("错误，请重新输入");

return 0;

}

if(iYear<1)

{

printf("错误，请重新输入");

return 0;

}

if((iMonth==2&&iDay>29)||(iMonth==4&&iDay>30)||(iMonth==6&&iDay>30)||(iMonth==9&&iDay>30)||(iMonth==11&&iDay>30))

{

printf("错误，请重新输入");

return 0;

}

if(((iYear%4==0)&&(iYear%100!=0))||(iYear%400==0))

{

switch(iMonth)

{

case 1:iSum=iDay;break;

case 2:iSum=iDay+31;break;

case 3:iSum=iDay+31+29;break;

case 4:iSum=iDay+31+29+31;break;

case 5:iSum=iDay+31+29+31+30;break;

case 6:iSum=iDay+31+29+31+30+31;break;

case 7:iSum=iDay+31+29+31+30+31+30;break;

case 8:iSum=iDay+31+29+31+30+31+30+31;break;

case 9:iSum=iDay+31+29+31+30+31+30+31+31;break;

case 10:iSum=iDay+31+29+31+30+31+30+31+31+30;break;

case 11:iSum=iDay+31+29+31+30+31+30+31+31+30+31;break;

case 12:iSum=iDay+31+29+31+30+31+30+31+31+30+31+30;break;

}

printf("%d",iSum);

}

else

{

switch(iMonth)

{

case 1:iSum=iDay;break;

case 2:iSum=iDay+31;break;

case 3:iSum=iDay+31+28;break;

case 4:iSum=iDay+31+28+31;break;

case 5:iSum=iDay+31+28+31+30;break;

case 6:iSum=iDay+31+28+31+30+31;break;

case 7:iSum=iDay+31+28+31+30+31+30;break;

case 8:iSum=iDay+31+28+31+30+31+30+31;break;

case 9:iSum=iDay+31+28+31+30+31+30+31+31;break;

case 10:iSum=iDay+31+28+31+30+31+30+31+31+30;break;

case 11:iSum=iDay+31+28+31+30+31+30+31+31+30+31;break;

case 12:iSum=iDay+31+28+31+30+31+30+31+31+30+31+30;break;

}

printf("%d",iSum);

}

}