有大神帮我看看吗怎么修改求求哥哥们了，这是在vs2010编的

#include <stdio.h>
int main()
{
    int a;
    printf("please your score\n");
    scanf("%d",&a);
    if((a%4==0 )&&(a%100!=0));
   
        printf("%d is leap year\n",a);
   
    else
    {
        printf("the year isn ");
    }


    return 0;
}