#include<cstdio>

#include<cstring>

#include<cmath>

#include<algorithm>

using namespace std;

long long a, b, c;

int p;

int main()

{

    int T;

    scanf("%d", &T);

    while (T--)

    {

        scanf("%lld%lld%lld", &a, &b, &c);

        scanf("%d%d%d", &p, &p, &p);

        long long x = (a + b + c)*(b + c - a)*(a + c - b)*(a + b - c);

        long long z = (long long)sqrt(x);

        if (z*z == x) printf("YES\n");

        else printf("NO\n");

    }

    return ;

}