#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,a,b,c;
int x,y;
signed main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a>>b>>c;
        x=a-b*c+2;
        y=sqrt(abs(x*x-a*4));
        if(!(y*y==abs(x*x-a*4))) {
        	cout<<"NO\n";
        	continue;
        }
        if((x+y)%2==1||x<=y){
        	cout<<"NO\n";
        	continue;
        } 
        cout<<(x-y)/2<<" "<<(x+y)/2<<"\n";
    }
    return 0;
}

hack

输入：https://www.luogu.com.cn/paste/7up53z8e

输出：https://www.luogu.com.cn/paste/qu81d9g5