11.14.3

#include<stdio.h>

int main()

{

int i,j;

int y1,y2,count=0;

scanf("%d%d",&y1,&y2);

for(i=y1;i<=y2;i++)

{if(i%4==0&&i%100!=0||i%400==0){printf("%d ",i);count++;

}if(count==5){printf("\n");count=0;

}

}

return 0;

}