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 <algorithm>
#include <iostream>

int pow2(int i) {
	return std::pow((double) i, (double) 2);
}

int main() {
	int in[3];
	while (std::cin >> in[0] >> in[1] >> in[2]) {
		std::sort(in, in + 3);
		if (pow2(in[2]) == pow2(in[0]) + pow2(in[1]))
			std::cout << "YES" << std::endl;
		else
			std::cout << "NO" << std::endl;
	}
}

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

int main(){

  int hen[3],n;
  cin>>n;
  while(n--){
  for(int i=0;i<3;i++)cin>>hen[i];
  sort(hen,hen+3);
  if(pow(hen[2],2)==(pow(hen[1],2)+pow(hen[0],2)))puts("YES");
  else puts("NO");
  }


  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)||(b*b+c*c==a*a)||(c*c+a*a==b*b))
      cout << "YES" << endl;
    else cout << "NO" << endl;
  }
}

C++: #include<stdio.h>
#include<algorithm.h>
#include<math.h>
int main(){
	int a[3];
	int n;
	scanf("%d",&n);
	while(n>0){
		scanf("%d %d %d",&a[0],&a[1],&a[2]);
		sort(a,a+3);
		
		if(a[0]*a[0] +a[1]*a[1]==a[2]*a[2]){
			printf("YES\n");
		}else{
			printf("NO\n");
		}
		n--;
	}
	
}

C++: #include <iostream>

using namespace std;

void swap(int x, int y) {
  int temp;
  temp = x;
  x = y;
  y = temp;
}

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

  cin >> n;
  while(n > 0) {
    n--;
    cin >> a >> b >> c;

    if (a > b) {
      swap(a, b);
    }
    if (b > c) {
      swap(b, c);
    }
    
    if (a*a + b*b == c*c) {
      cout << "YES" << endl;
    } else {
      cout << "NO" << endl;
    }
  }

  return 0;
}

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

using namespace std;

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

C++: #include <iostream>

using namespace std;
int main(){
  int n;
  while( cin >> n){
    int a,b,c;
    cin >> a >> b >> c;
    if(a == b && b == c)cout << "YES";
    else cout << "NO";
    cout << endl;
  }
  return 0;
}

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


string Judge_triangle(int a,int b,int c){
    if(a+b>c && b+c>a && c+a>b){
        return "YES";
    }
    else{
        return "NO";
    }
}

bool Judge_line(int x){
    if(x<1 || x>1000 || ceil(x) != floor(x))
        return true;
    else
        return false;
}

int main(){
  int N;
  int a,b,c;
  int n=0;
    
    while(1){

  cin >> N;
    
        if(N > 1000 || ceil(N) != floor(N)){
            
        }
    else
        break;
    }
    
    string x[N];

while(N > 0 && cin >> a >> b >> c){
    
    
    while(1){
        if(Judge_line(a) && Judge_line(b) && Judge_line(c)){
            
            break;
        }
        
        else{
            x[N-1] = Judge_triangle(a,b,c);
            N--;
            n++;
            break;
        }
  }
}
    for(int i = 0;i < n;i++)
        cout << x[i] << endl;
    
  return 0;
}

C++: # include<iostream>

using namespace std;

int main(){
    int N(0);
    cin >> N;
    
    int answer[N];
    int i(0);
    
    while(i < N){
        int a(0), b(0), c(0);
        cin >> a >> b >> c;
    
        answer[i] = 0;
        
        if (a > b && a > c){
            if(b*b + c*c == a*a) answer[i] = 1;
        }if (b > c && b > a){
            if(c*c + a*a == b*b) answer[i] = 1;
        }if (c > a && c > b){
            if(a*a + b*b == c*c) answer[i] = 1;
        }
        i++;
    }
    
    for(i=0; i<N;i++){
        if(answer[i] == 1) printf("YES\n");
        else printf("No\n");
    }
    
}

C++: #include <iostream>
#include <stdio.h>

using namespace std;

int main(void){
  int deta;
  //データ数をもらう
  scanf("%d", &deta);

  //データ数だけ３辺の値をもらう
  for(int i = 0; i < deta; i++){
    int hen1, hen2, hen3;
    scanf("%d", &hen1);
    scanf("%d", &hen2);
    scanf("%d", &hen3);

    //直角三角形の判定
    if(hen1*hen1 + hen2*hen2 == hen3*hen3 ||
       hen2*hen2 + hen3*hen3 == hen1*hen1 ||
       hen3*hen3 + hen1*hen1 == hen2*hen2){
      printf("yes\n");
    }else{
      printf("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 n,a,i[3],f[3];
    cin>>n;
    if(n<=1000){
    for(int l=0;l<n;l++){
                for(a=0;a<3;a++){
            cin>>i[a];
            f[a]=i[a]^2;
        }
        if(i[a]<=0||i[a]>1000){
                break;
            }
        sort(f,f+3);
        if(f[2]==f[0]+f[1]){
            cout<<"YES"<<endl;
        }else{
            cout<<"NO"<<endl;
        }
    }
    }
}

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

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

C++: #include <iostream>

using namespace std;

int main() {
  int N;
  cin >> N;

  for (int i = 0; i < N; i++) {
    int a[3];
    cin >> a[0] >> a[1] >> a[2];

    int max = 0;
    for (int i = 0; i < 3; i++) {
      max = a[i] > max ? a[i] : max;
    }

    for (int i = 0; i < 3; i++) {
      a[i] = a[i] == max ? 0 : a[i];
    }

    max *max == a[0] * a[0] + a[1] * a[1] + a[2] * a[2] ? cout << "YES" << endl
                                                        : cout << "NO" << endl;
  }

  return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<string>
#include <math.h>
using namespace std;
string j(int a[3])
{

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

C++: #include <iostream>
#include <vector>
#include <string>
using namespace std;
int main() {
  int n;
  while(cin >> n) {
    vector<string> ans;
    for (int i = 0; i < n; ++i) {
      int x, y, z;
      cin >> x >> y >> z;
      if (x < y + z && y < z + x && z < x + y) {
        ans.push_back("YES");
      } else {
        ans.push_back("NO");
      }
    }
    for (int i = 0; i < n; ++i) {
      cout << ans[i] << endl;
    }
  }
  return 0;
}