Go: package main

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

func main() {
	n, err := strconv.Atoi(strScan())
	if err != nil {
		fmt.Println("数字を入力して下さい。")
	} else {
		var counter int = n
		var judgeArr []string
		scanner := bufio.NewScanner(os.Stdin)
		for scanner.Scan() {
			strArr := strings.Fields(scanner.Text())
			castNumArr := StringToInt(strArr)
			judgeArr = append(judgeArr, checkTriangle(castNumArr))
			counter--
			if counter == 0 {
				break
			}
		}
		for _, v := range judgeArr {
			fmt.Println(v)
		}
	}
}

func checkTriangle(i []int) string {
	if checkSt(i[0], i[1], i[2]) || checkSt(i[1], i[2], i[0]) || checkSt(i[2], i[0], i[1]) {
		return "YES"
	} else {
		return "NO"
	}
}

func Sq(x int) int {
	return x * x
}

func checkSt(a, b, c int) bool {
	return (Sq(a) + Sq(b)) == Sq(c)
}

func StringToInt(s []string) []int {
	var i []int
	for _, v := range s {
		castNum, err := strconv.Atoi(v)
		if err != nil {
			panic(err)
		}
		i = append(i, castNum)
	}
	return i
}

func strScan() (stringInput string) {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	stringInput = scanner.Text()
	return
}

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

int main()
{
	int a[1000],b[1000],c[1000];
	int kosuu;
	char ans[1000];
	int i;

	cin>>kosuu;//個数入力

	for(i=0;i<kosuu;i++)
	{
		cin>>a[i]>>b[i]>>c[i];//数値入力

		if(a[i]>b[i]&&a[i]>c[i])//aがbとcよりも大きかったら
		{
			if(a[i]*a[i]==b[i]*b[i]+c[i]*c[i]){ans[i]=1;}
			else{ans[i]=0;}
		}
		else if(b[i]>a[i]&&b[i]>c[i])//bがaとcよりも大きかったら
		{
			if(b[i]*b[i]==a[i]*a[i]+c[i]*c[i]){ans[i]=1;}
			else{ans[i]=0;}
		}
		else if(c[i]>a[i]&&c[i]>b[i])//cがbとaよりも大きかったら
		{
			if(c[i]*c[i]==b[i]*b[i]+a[i]*a[i]){ans[i]=1;}
			else{ans[i]=0;}
		}
		else if(a[i]==b[i]||a[i]==c[i]||b[i]==c[i]){ans[i]=0;}
	}
	for(i=0;i<kosuu;i++)
	{
		if(ans[i]==1){cout<<"YES"<<endl;}
		else if(ans[i]==0){cout<<"NO"<<endl;}
	}

		
	return 0;
}

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

int main() {

    int N;
    cin >> N;
    //cout << N;
    int hen[3];
    while (N --> 0) {
        cin >> hen[0] >> hen[1] >> hen[2];
        sort(hen, hen + 3);
        
        if (hen[2] * hen[2] == hen[0] * hen[0] + hen[1] * hen[1]) {
            cout << "YES";
        } else {
            cout << "NO";
        }
    }
    

    return 0;
}
  
    
    if (hen[2] * hen[2] == hen[0] * hen[0] + hen[1] * hen[1]) {
        cout << "YES";
       else cout << "NO";
        
    }

    return 0;
}

C++: #include <iostream>
#include <math.h>
#include <algorithm>
using namespace std;
int main(){
	int a,b[3]={0};
	cin>>a;
	for (int A=0;A<a;A++){
		cin>>b[0]>>b[1]>>b[2];
		sort(b,b+3);
		b[0]=pow(b[0],2);
		b[1]=pow(b[1],2);
		b[2]=pow(b[2],2);	
		if (b[2]!=b[0]+b[1]) cout<<"No"<<endl;
		else cout<<"Yes"<<endl;
	}
	return 0;
}

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

using namespace std;

int main() {
    int n;
    cin >> n;
    while (n--) {
        int a[3];
        for (int i = 0; i < 3; i++) {
            cin >> a[i];
        }
        sort(a, a + 3);

        if (a[2] * a[2] == a[0] * a[0] + a[1] * a[1]) {
            cout << "YES\n";
        }
        else {
            cout << "NO\n";
        }
    }

    return 0;
}

C++: //
//  main.cpp
//  b
//
//  Created by h3037178 on 2017/07/31.
//  Copyright ?? 2017??´ ?????£?????????. All rights reserved.
//

#include <iostream>
#include<algorithm>
#include<math.h>
using namespace std;
int main(){
    int a,b,c,i;
    cin >> i;
    for(int n = 0;n < i;n++){
        cin >> a >> b >> c;
        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;} 
    }
}

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

int main() {
    int N;
    cin >> N;
    int a, b, c;
    while (N--) {
        cin >> a >> b >> c;
        int l=max(a,max(b,c));
        int x=0, y=0;
        if (a==l) {
            x=b;
            y=c;
        } else if (b==l) {
            x=a;
            y=c;
        } else if (c==l) {
            x=a;
            y=b;
        }
        if (l==sqrt(pow(x,2)+pow(y,2))) {
            printf("Yes\n");
        } else {
            printf("No\n");
        }
    }
    return 0;
}

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

int main()
{
	int N;
	cin >> N;
	int A[3];
	for (int i = 0; i < N; i++) {
		for (int j = 0; j < N; j++) {
			cin >> A[j];
		}
		sort(A, A + 3);
		if (((A[0] * A[0]) + (A[1] * A[1])) == (A[2] * A[2]))
			cout << "YES" << endl;
		else
			cout << "NO"<<endl;
	}
    return 0;
}

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

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

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

C++: #include <sstream>
#include <iostream>
#include <string>
#include <algorithm>
 
//repetition
//------------------------------------------
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)

using namespace std;

int main(){
	int n;
	cin >> n;
	int e[3];
	REP(i,n){
		REP(j,3)cin>>e[j];
		sort(e, e+3);
		if(e[0]*e[0]+e[1]*e[1]==e[2]*e[2])cout << "YES" << endl;
		else cout << "NO" << endl;
	}
}

C++: #include <iostream>

inline bool is_right_triangle(const u_int a, const u_int b, const u_int c) {
    return (a*a == b*b + c*c || b*b == c*c + a*a || c*c == a*a + b*b);
}

int main(void) {
    u_int n, a, b, c;

    std::cin >> n;
    for (u_int i = 0; i < n; ++i) {
        std::cin >> a >> b >> c;
        std::cout << (is_right_triangle(a, b, c) ? "YES\n" : "NO\n");
    }

    return 0;
}

C++: #include <stdio.h>

void triangle(int number)
{
    for(int i = 0; i < number; ++i) {
        int a, b, c;
        scanf("%d %d %d", &a, &b, &c);
        if ((a > b) && (a > c)) {
            if (a * a == b * b + c * c) {
                printf("YES\n");
            } else {
                printf("NO\n");
            }
        } else if ((b > a) && (b > c)) {
            if (b * b == a * a + c * c) {
                printf("YES\n");
            } else {
                printf("NO\n");
            }
        } else if ((c > a) && (c > b)) {
            if (c * c == a * a + b * b) {
                printf("YES\n");
            } else {
                printf("NO\n");
            }
        } else //a == b == c
        {
            printf("NO\n");
        }
    }
}

int main(void)
{
    int number;
    scanf("%d", &number);
    triangle(number);
    return 0;
}

C++: #define _GLIBCXX_DEBUG
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ALL(v) v.begin(), v.end()
typedef long long ll;

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

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

int main(){
  int n,a,b,c;
  cin>>n;
  
  rep(i,n){
    cin>>a>>b>>c;
    if(a*a==b*b+c*c || b*b==c*c+a*a || c*c==a*a+b*b) cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
  }
    
  
  return 0;
}