#include <stdio.h>

int main() {
    int year;
    printf("Enter a year:");
    scanf("%d", &year);
    while (1){
        if((year % 4 == 0 && year % 100 !=0) ||(year %400==0))
        printf("leap year:%d\n",year);
        break;
    }
    year++;
}
    return 0;