Go: package main

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

var scanner = bufio.NewScanner(os.Stdin)

func nextInt() int {
	scanner.Scan()
	i, e := strconv.Atoi(scanner.Text())
	if e != nil {
		panic(e)
	}
	return i
}
func main() {
	scanner.Split(bufio.ScanWords)
	n := nextInt()
	for i := 0; i < n; i++ {
		a := nextInt()
		b := nextInt()
		c := nextInt()
		if a*a == b*b + c*c || b*b == a*a + c*c || c*c == a*a + b*b {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
		continue
	}
}

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

using namespace std;

int main()
{
	int n;
	int a,b,c; //a^2+b^2=c^2

	cin>>n;
    if(n<=1000)
	{
	for(int i=0;i<n;i++)
		{
		cin>>a>>b>>c;
		if( a<=1000 , a>0 , b<=1000 , b>0 , c<=1000 , c>0)
			{
			a = pow(a,2) + pow(b,2);
			c = pow(c,2);
			if( a == c )
				{
					cout<<"YES"<<endl;
				}
			else
				{
					cout<<"NO"<<endl;
				}
			}
		}
	}

}

C++: #include<cstdio>
#include<algorithm>
#include<cmath>

using namespace std;

int main(){
        int  d ,i;
        int a[1000] = {0};
        int b[1000] = {0};
        int c[1000] = {0};
        bool ans[1000];
        scanf("%d", &d);
        for(i = 0; i < d; i++){
                scanf("%d%d%d", &a[i], &b[i], &c[i]);
                ans[i] = false; 
                if(a[i] * a[i] + b[i] * b[i] == c[i] * c[i])
                        ans[i] = true;
                if(b[i] * b[i] + c[i] * c[i] == a[i] * a[i])
                        ans[i] = true;
                if(c[i] * c[i] + a[i] * a[i] == b[i] * b[i])
                        ans[i] = true;
                printf("%s\n", ans[i] ? "YES" : "NO");
        }
        return 0;
}

C++: #include <stdio.h>

int hantei(int l1,int l2,int l3);
//??´?§?????§???¢??????????????????????????????????????????

int main(void)
{
	int kaisuu, l1, l2, l3;
	scanf("%d", &kaisuu);
	for(int i = 0; i < kaisuu; i++) {
		scanf("%d %d %d", &l1, &l2, &l3);
		if(hantei(l1, l2, l3) == 1) {
			printf("YES\n");
		}else{
			printf("NO\n");
		}
	}
	return 0;
}

int hantei(int l1,int l2,int l3)
{
	int llong, lshort1, lshort2;
	if(l1 <= l2) {
		lshort1 = l1 ^ 2;
		if(l2 <= l3) {
			lshort2 = l2 ^ 2;
			llong = l3 ^ 2;
		}else{
			lshort2 = l3 ^ 2;
			llong = l2 ^ 2;
		}
	}else{
		lshort1 = l2 ^ 2;
		if(l1 <= l3) {
			lshort2 = l1 ^ 2;
			llong = l3 ^ 2;
		}else{
			lshort2 = l3 ^ 2;
			llong = l1 ^ 2;
		}
	}
	if(lshort1+ lshort2 == llong) {
		return 1;
	}else{
		return 0;
	}
}

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

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

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

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;
}