关于这道循环的题该怎么做

Question

Answer 1

#include <stdio.h>
int main()
{
    int a,b;
    while(scanf("%d%d",&a,&b)!= EOF)
    {
        if(a>b) printf("Greater\n");
        else if(a<b) printf("Less\n");
        else printf("Equal\n");
    }
    return 0;
}