hdu 3752 Is the one been second-killed first?

#include<iostream>
using namespace std;

int main()
{
int n;
scanf("%d", &n);
while(n--)
{
int a, b;
scanf("%d%d", &a, &b);
if(a % 2 == 1|| b > a / 2)
printf("NO\n");
else
printf("YES\n");
}
return 0;
}