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 <vector>
#include <list>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <deque>
#include <algorithm>
#include <utility>
#include <functional>
#include <sstream>
#include <iostream>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <climits>
#include <cassert>
using namespace std;
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<string> vs;
typedef pair<int, int> pii;
typedef long long ll;
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(),(a).rend()
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define EACH(t,i,c) for(t::iterator i=(c).begin(); i!=(c).end(); ++i)
const double EPS = 1e-10;
const double PI  = acos(-1.0);

int main(){
	int n;
	cin>>n;
	REP(i,n){
		vi l(3);
		REP(i,3){
			cin>>l[i];
		}
		sort(ALL(l));
		cout<<(l[2]*l[2]==l[0]*l[0]+l[1]*l[1]?"YES":"NO")<<endl;
	}
}

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

long int l[1000][3];

void swap(int a, int b, int c){
	int buf = l[c][a];
	l[c][a] = l[c][b];
	l[c][b] = buf;
}

//bubble
void sort(int c){
	for(int i = 0; i < 2; i++){
		for(int j = i; j < 2; j++){
			if(l[c][j] > l[c][j+1]) swap(j,j+1,c);	
		}
	}
}

int main(){
int buf;

cin >> buf;

for(int i = 0; i < buf; i++){	
	cin >> l[i][0] >> l[i][1] >> l[i][2];
	sort(i);
}

for(int j = 0; j < buf; j++){
	if(l[j][2]*l[j][2] == l[j][0]*l[j][0] +l[j][1]*l[j][1]){
		cout << "YES" << endl;
	}else{
		cout << "NO" << endl;
	}
}

return 0;
}

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

using namespace std;


int main(){
    int a,b,c;
    int N;
    
    cin >> N;
    for(int i=0;i<N;i++){
        cin>>a>>b>>c;
        if(c==sqrt((pow((double)a,(double)2)+pow((double)b,(double)2)))) cout << "YES" << endl;
        else cout << "NO" << endl;
    }
    
    return 0;
}

C++: #include<iostream>
#include<queue>
#include<string>
#include<stack>
#include<cstdio>
#include<algorithm>

using namespace std;

int main(void)
{
  int a[3];
  int i;
  int n;

  cin>>n;

  for(i=0;i<n;i++)
    {
      cin>>a[0]>>a[1]>>c[2];

      sort(a,a+3);

        if(a[2]*a[2]==a[0]*a[0]+a[1]*a[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) cout << "YES" <<endl;
        else if(b*b==a*a+c*c) cout << "YES" <<endl;
        else if(c*c==a*a+b*b) cout << "YES" <<endl;
        else cout << "NO" <<endl;
    }
    return 0;
}

C++: #include <iostream>
bool isRight(int a, int b, int c)
{
    //?????§???c??????????????????????????´???
    if (a > c) {
        std::swap(a, c);
    }
    if (b > c){
        std::swap(b, c);
    }
    
    return a * a + b * b == c * c;
}

int main()
{
    int N;
    int a, b, c;
    std::cin >> N;
    for (int i = 0; i < N; i++) {
        std::cin >> a >> b >> c;
        if (isRight(a, b, c)) {
            std::cout << "YES" << std::endl;
        } else {
            std::cout << "NO" << std::endl;
        }
    }
}

C++: #include<iostream>

using namespace std;

int aa(int x, int y, int z) {

	return (((x ^ 2) + (y ^ 2) == (z ^ 2)) || ((x ^ 2) + (z ^ 2) == (y ^ 2)) || ((y ^ 2) + (z ^ 2) == (x ^ 2)));
}

int main() {

	int a, b[1000], c[1000], d[1000];
	bool e[1000];

	cin >> a;

	for (int i = 1; i <= a; i++)
	{
		cin >> b[i] >> c[i] >> d[i];

		e[i] = aa(b[i], c[i], d[i]);

	}

	for (int i = 1; i <= a; i++)
	{

		cout << ((e[i] != 0) ? "YES" : "NO") << endl;
	}

	return 0;
}

C++: #include<stdio.h>

void handan(int a, int b, int c)
{
	if (a*a == b*b + c*c)
		printf("YES\n");
	else
		printf("NO\n");
}
int main()
{
	int n;
	int a, b, c;

	scanf("%d", &n);
	for (int i = 0; i < n; i++)
	{
		scanf("%d %d %d", &a, &b, &c);
		if (a > b&&b > c)
			handan(a, b, c);
		else if (b > a&&a > c)
			handan(b, c, a);
		else
			handan(c,a,b);
	}
	return 0;
}

C++: #include <iostream>


using namespace std;
 
int main()
{

	int a, b, c, d1, d2, d3;

	while ( 1 ) {
		cin >> a >> b >> c;

		d1 = a * a;
		d2 = b * b;
		d3 = c * c;
	

		if ( d1 == ( b * b ) + ( c * c ) ) {
			cout << "YES" << endl;
		} else if ( d2 == ( a * a ) + ( c * c ) ) {
			cout << "YES" << endl;
		} else if ( d3 == ( a * a ) + ( c * c ) ) {
			cout << "YES" << endl;
		} else {
			cout << "NO" << endl;
		}
	}
	return 0;
}

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

int main(void) {
    int length[3];
    int n;
    
    cin >> n;
    
    for(int i = 0; i < n; ++i) {
        cin >> length[0] >> length[1] >> length[2];
        sort(length, length + 3);
        if(length[0] * length[0] + length[1] * length[1] == length[2] * length[2]) {
            cout << "Yes" << endl;
        } else {
            cout << "No" << endl;
        }
    }
}

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

int main() {
  int n;
  cin >> n;
  for (int i = 0; i < n; i++) {
    vector<int> array;
    int a;
    cin >> a;
    array.push_back(a);
    cin >> a;
    array.push_back(a);
    cin >> a;
    array.push_back(a);
    sort(array.begin(), array.end(), greater<int>());
    cout << (array[0] * array[0] == array[1] * array[1] + array[2] * array[2] ? "YES" : "NO") << endl;
  }
}

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

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);

	int n;cin >> n;
	for(int i = 0; i < n; i++){
		int l[3] = {};
		for(int j = 0; j < 3; j++){
			cin >> l[j];
		}
		bool flag = false;
		for(int j = 0; j < 3; j++){
			//printf("%d %d %d",l[j]*l[j],l[(j+1)%3]*l[(j+1)%3],l[(j+2)%3]*l[(j+2)%3]);
			if(l[j]*l[j] + l[(j+1)%3]*l[(j+1)%3] == l[(j+2)%3]*l[(j+2)%3]){
				flag = true;
				break;
			}
		}
		cout << (flag?"YES":"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;
        int b;
        int c;
        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;
            }
    }
    return 0;
}