#include <cstdio>

int main(){
	int n;
	int a[1010],b[1010],c[1010];

	scanf("%d",&n);

	for(int i =1;i<=n;i++){
		scanf("%d %d %d",&a[i],&b[i],&c[i]);
	}

	for(int j =1;j<=n;j++){
		if((c[j]*c[j]) == ((a[j]*a[j])+(b[j]*b[j]))){
			printf("YES\n");
		}else{
			printf("NO\n");
		}
	}
}
