Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
)

var sc = bufio.NewScanner(os.Stdin)

func read() string {
	sc.Scan()
	return sc.Text()
}

func main() {
	// sc.Split(bufio.ScanLines)
	sc.Split(bufio.ScanWords)
	n, _ := strconv.Atoi(read())
	s := make([]int, 3)
	for i := 0; i < n; i++ {
		s[0], _ = strconv.Atoi(read())
		s[1], _ = strconv.Atoi(read())
		s[2], _ = strconv.Atoi(read())
		sort.Sort(sort.IntSlice(s))
		if (s[2] * s[2]) == ((s[0] * s[0]) + (s[1] * s[1])) {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
	}
}

C++: //
// Created by tac on 2016/10/27.
//

#include <cstdlib>
#include <iostream>

namespace {

bool is_traiangle(int a, int b, int c) {
    int a1, b1, c1;
    if (a >= b && a >> c) {
        a1 = a;
        b1 = b;
        c1 = c;
    } else if (b >= a && b >= c) {
        a1 = b;
        b1 = a;
        c1 = c;
    } else {
        a1 = c;
        b1 = a;
        c1 = b;
    }
    return (a1 < b1 + c1) && (a1 * a1 == b1 * b1 + c1 * c1);
}

}


int main() {
    int n;
    int a, b, c;
    std::string ans;
    std::cin >> n;
    for (int i = 0; i < n; ++i) {
        std::cin >> a >> b >> c;
        if (is_traiangle(a, b, c)) {
            ans = "YES";
        } else {
            ans = "NO";
        }
        std::cout << ans << std::endl;
    }
    return EXIT_SUCCESS;
}

C++: i;main(a,b,c){for(scanf("%*d"),i=4;i--&&~scanf("%d%d%d",&a,&b,&c);puts((a+b-c&&b+c-a&&a+c-b)?"NO":"YES"))a*=a,b*=b,c*=c;}

C++: #include<stdio.h>
int main(void)
{
	int n,i,w,a,s,d,x,j,z;
		scanf("%d",&n);
		for(i=0;i<n;i++){
			scanf("%d %d %d",&a,&s,&d);
			if(a>s&&d<a){
				w=(d*d)+(s*s);
				x=a*a;
					if(w==x){
						printf("YES\n");
					}
					else{
						printf("NO\n");
					}	
			}	
			else if(a<d&&d>s){
				w=(a*a)+(s*s);
				x=d*d;
					if(w==x){
						printf("YES\n");
					}
					else{
						printf("NO\n");
					}				
			}
			else if(a<s&&s>d){
				w=(d*d)+(s*s);
				x=s*s;
					if(w==x){
						printf("YES\n");
					}
					else{
						printf("NO\n");
					}				
			}
			else if(a==s&&s==d&&d==a||a==s||s==d||d==a){
				printf("NO\n");
			}	
		
		}
	return 0;
}

C++: #include<stdio.h>
int main()
{
int n,x[3],i,t;
scanf("%d",&n);
while(n--){
scanf("%d %d %d",&x[0],&x[1],&x[2]);

for(i=1;i<3;i++){
if(x[0]<x[i]){
t=x[0];
x[0]=x[i];
x[i]=t;
}
}
if((x[0]*x[0])==(x[1]*x[1]+x[2]*x[2]))
printf("YES\n");
else
printf("NO\n");


}
return 0;
}

C++: #include<iostream>
#include<stdio.h>
#include<algorithm>
#include<math.h>
using namespace std;
int main()
{
	int n,a,b,c,a1,b2,c2;
	cin>>n;
	for(int i=0;i<n;i++)
	{
		cin>>a>>b>>c;
		a1=pow(a,2);
		b2=pow(b,2);
		c2=pow(c,2);
		if(a1+b2==c2)
			cout<<"YES"<<endl;
		if(a1+c2==b2)
			cout<<"YES"<<endl;
		if(a1+c2==b2)
			cout<<"YES"<<endl;
		if(a1+b2!=c2&&a1+c2!=b2&&a1+c2!=b2)
			cout<<"NO"<<endl;
	}
				
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;

bool f(int a, int b, int c) {
	return a * a == b * b + c * c;
}

int main() {
	ios :: sync_with_stdio(false);
	int t; cin >> t;
	while(t --) {
		int a, b, c;
		cin >> a >> b >> c;
		if(f(a, b, c) || f(b, c, a) || f(c, a, b))
			cout << "YES\n";
		else
			cout << "NO\n";
	}
	return 0;
}

C++: #include <iostream>
#include <algorithm>

using namespace std;

int main()
{
	int n;
	int deta[3];
	int square;

	cin >> n;
	
	for (int i = 0; i < n; i++){
		for (int j = 0; j < 3; j++){
			cin >> deta[j];
		}
		
		sort (deta, deta + 3);

		square = (deta[0] * deta[0]) + (deta[1] * deta[1]);

		if (square == deta[2] * deta[2]){
			cout << "YES" << endl;
		}
		else {
			cout << "NO" << endl;
		}
	}

	return 0;
}

C++: #include<iostream>
using namespace std;
int main() {
	int N,a,b,c;
	cin >> N;
	for (int i = 1; i <= N; i++) {
		cin >> a >> b >> c;
		if (a*a + b*b == c*c || a*a + c*c == b*b || b*b + c*c == a*a) {
			cout << "YES" << endl;
		}
		else {
			cout << "NO" << endl;
		}
	}
}

C++: #include<iostream>
#include<algorithm>
using namespace std;
int main(){
    int a,b,c,i,n;
    cin>>i;
    for(n=0;n<i;n++){
        if(a*a==b*b+c*c){
            cout<<"YES"<<endl;
        }else if(b*b==a*a+c*c){
            cout<<"YES"<<endl;
        }else if(c*c==b*b+a*a){
            cout<<"YES"<<endl;
        }else{
            cout<<"NO"<<endl;
        }
    }
       return 0;
}

C++: #include"iostream"
using namespace std;
int main()
{
	int a, b, c, d;
	cin >> a;
	for (; a >= 1; a--)
	{
		cin >> b >> c >> d;
		if (b > (b + c + d) / 2.0 || c > (b + c + d) / 2.0 || d > (b + c + d) / 2.0)
			cout << "NO" << endl;
		else
			cout << "YES" << endl;
	}
	return 0;
}

C++: #include<cstdio>

int main() {
	int n, a, b, c;
	scanf("%d", &n);
	for (int i = 0; i < n; i++) {
		scanf("%d %d %d", &a, &b, &c);
		if (a*a == b*b + c*c || b*b == c*c + a*a || c*c == a*a + b*b) {
			printf("YES\n");
		}
		else {
			printf("NO\n");
		}
	}
	return 0;
}

C++: #include <bits/stdc++.h>
#define REP(i,n) for(int i=0; i<(n); i++)
#define REP2(i,x,n) for(int i=x; i<(n); i++)
using namespace std;
int main(){
     
    cin.tie(0);
    ios::sync_with_stdio(false);
     
    int n;
    cin >> n;
    
    REP(i,n){
        vector<int> vc(n);
        for(auto &x : vc){
            cin >> x;
            cout << x << " ";
        }
        sort(vc.begin(), vc.end());
        cout << ( vc[0]*vc[0] + vc[1]*vc[1] == vc[2]*vc[2] ? "YES" : "NO" ) << endl;
    }
    return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <sstream>
#include <functional>
#include <numeric>
#include <cmath>
#include <cstring>
#include <queue>
#include <stack>
#include <set>

using namespace std;

#define ALL(co) co.begin(), co.end()

typedef long long LL;
typedef pair<int, int> P;
typedef pair<P, P> PP;
typedef vector<int> Array;
typedef vector<int> LArray;

const int INF = 1 << 29;
const LL LINF = 1LL << 60;

int itiv;
inline int getInt() { return (cin >> itiv, itiv); }
void readAll(Array& vec, int n) { for (int i = 0; i < n; i++) cin >> vec[i]; }
inline bool between(int first, int last, int n) { return first <= n && n <= last; }
inline bool inRange(int begin, int end, int n) { return begin <= n && n < end; }
inline bool inRange(int size, int n) { return 0 <= n && n < size; }

int m, n;
int dx[] = { -1, 0, 1, 0 }, dy[] = { 0, -1, 0, 1 };
int dr[] = { 0, -1, 0, 1 }, dc[] = { -1, 0, 1, 0 };


int main(void)
{
	while(cin >> n && n)
	{
		for (int i = 0; i < n; i++)
		{
			Array arr(3);
			readAll(arr, n);
			cout << "YES" << endl;
			//sort(ALL(arr));
			//cout << (arr[2] * arr[2] == arr[0] * arr[0] + arr[1] * arr[1] ? "YES" : "NO") << endl;
		}
	}
	return 0;
}

C++: #include <iostream>
#include <algorithm>

int main(){

	int a[3];

	while(std::cin >> a[0] >> a[1] >> a[2]){
		std::sort(a,a+3);
		if(a[2]*a[2]==a[0]*a[0]+a[1]*a[1]){
			std::cout << "YES" << std::endl;
		}
		else{
			std::cout << "NO" << std::endl;
		}
	}
}

C++: #include<iostream>
using namespace std;

int main(){
	int n, a, b, c, ma, sum, rst;
	
	cin >> n;
	
	for(int i=0;i<n;i++){
		cin >> a >> b >> c;
		a*=a; b*=b; c*=c;
		sum=a+b+c;
		ma=max(a,max(b,c));
		rst=sum-ma;
		if(rst==ma) cout<<"YES"<<endl;
		else cout<<"NO"<<endl;
	}
	
	return 0;
}

C++: #include<iostream>
#include<vector>
#include<algorithm>

#define Triangle(s1,s2,s3) if(s1*s1+s2*s2==s3*s3)
using namespace std;

int main()
{
	int n;
	int h[3];
	vector<int> side;
	int i;
	
	cin >> n;
	
	for(i=0;i<n;i++)
	{
		side.clear();
		
		for(int j=0;j<3;j++)
		{
			cin >> h[i];
			side.push_back(h[i]);
		}
		
		sort(side.begin(),side.end());
		
		Triangle(side[0],side[1],side[2])
			cout << "YES" << endl;
		else
			cout << "NO" << endl;
	}
}