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# include <stdio.h>

int main()

{int year,month=2,days;

printf("input the year:");

scanf("%d",&year);

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

{days=29; printf("year:%d,month:2,days:29",year);

}

else{ days=28; printf("year:%d,month:2,days:28",year); };

 

 

return 0;

}