Go: package main
import (
    "fmt"
    "os"
    "bufio"
    "strconv"
    "sort"
)
 
var sc = bufio.NewScanner(os.Stdin)
var out = bufio.NewWriter(os.Stdout)
 
func main(){
    sc.Split(bufio.ScanWords)
    defer out.Flush()
    n := nextInt()
    for i:=0; i<n; i++{
        data := nextInts(3)
        sort.Ints(data)
        if data[0]*data[0]+data[1]*data[1] == data[2]*data[2]{
            fmt.Fprintln(out, "YES")
        }else{
            fmt.Fprintln(out, "NO")
        }
    }
}
 
func next() string{
    sc.Scan()
    return sc.Text()
}
 
func nextInt() int{
    a, _ := strconv.Atoi(next())
    return a
}
 
func nextInts(n int) []int{
    a := make([]int, n)
    for i:=0; i<n; i++{
        a[i] = nextInt()
    }
    return a
}

C++: #include <iostream>
#include <vector>
#include <string>
#include <sstream>

using namespace std;


vector<string> splitString(const string& str, const string& separator = " ") {
	vector<string> ret;

	std::size_t bp, ep;
	bp = ep = 0;
	while((ep = str.find_first_of(separator, bp)) != string::npos){
		if(bp != ep){
			ret.push_back(string(str.begin() + bp, str.begin() + ep));
		}
		bp = ep + 1;
	}

	if(bp <= str.size() - 1){
		ret.push_back(string(str.begin() + bp, str.end()));
	}

	return ret;
}

template <class T>
T convertStringToNumber(const string& str) {
	stringstream ss;
	T ret;

	ss << str;
	ss >> ret;

	return ret;
}


void inputData(vector<string>& data_set) {
	string buffer;

	getline(cin, buffer);
	int n = convertStringToNumber<int>(buffer);

	for(int i = 0; i < n; ++i) {
		getline(cin, buffer);
		data_set.push_back(buffer);
	}
}

bool isRightTriangle(const vector<int>& edge_set) {
	int max_index = 0;

	if(edge_set[max_index] < edge_set[(max_index+1)%3])
		max_index = (max_index+1)%3; 
	if(edge_set[max_index] < edge_set[(max_index+2)%3])
		max_index = (max_index+2)%3; 

	return ((edge_set[max_index] * edge_set[max_index]) ==
				(edge_set[(max_index+1)%3] * edge_set[(max_index+1)%3]
				+ edge_set[(max_index+2)%3] * edge_set[(max_index+2)%3]));
}


vector<bool> evaluateTriangle(const vector<string>& data_str) {
	vector<bool> ret(data_str.size());

	for(int i = 0; i < data_str.size(); ++i) {
		auto temp = splitString(data_str[i]);
		vector<int> buff { convertStringToNumber<int>(temp[0]),
							convertStringToNumber<int>(temp[1]),
							convertStringToNumber<int>(temp[2])};

		ret[i] = isRightTriangle(buff);
	}

	return ret;
}


void doAllProcess() {
	vector<string> buffer;

	inputData(buffer);

	vector<bool> ret = evaluateTriangle(buffer);

	for(int i = 0; i < ret.size(); ++i)
		std::cout << (ret[i] ? "YES" : "NO") << std::endl;
}



int main() {
	doAllProcess();

	return 0;
}

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

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

using namespace std;

int main()
{
    int ignore;
    cin >> ignore;
    int fi;
    int se;
    int th;
    vector<int> v;

    while(cin >> fi >> se >> th)
    {
        v.push_back(fi);
        v.push_back(se);
        v.push_back(th);
        sort(v.begin(), v.end(), greater<int>());
        if(v[0] * v[0] == v[1] * v[1] + v[2] * v[2])
        {
            cout << "YES" << endl;
        }
        else
        {
            cout << "NO" << endl;
        }
    }
}

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

using namespace std;

int main()
{
    int ignore;
    cin >> ignore;
    int fi;
    int se;
    int th;
    vector<int> v;

    while(cin >> fi >> se >> th)
    {
        v.push_back(fi);
        v.push_back(se);
        v.push_back(th);
        sort(v.begin(), v.end(), greater<int>());
        if(v[0] * v[0] == v[1] * v[1] + v[2] * v[2])
        {
            cout << "YES" << endl;
        }
        else
        {
            cout << "NO" << endl;
        }
        v.clear();
    }
}

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

using namespace std;
int n,a,b,c;
int main(){
	cin>>n;
	for(int i=0;i<n;i++){
		scanf("%d%d%d",&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;
}

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

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

    return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
int main(){
int n;cin>>n;
for(int i=0;i<n;++i){
int a[3]={};
for(int j=0;j<3;j++)cin>>a[j];
bool b=a[0]*a[0]+a[1]*a[1]==a[2]*a[2];
cout<<(b?"YES":"NO")<<endl;
}
}

C++: #include <iostream>
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;}
    }
    return 0;
}

C++: //????§???¢?????´?§?????§???¢???????????????????????°??????
#include <iostream>
using namespace std;
int main ()
{
int a,b,c,i,p;
cin >> p;
for (i = 0; i < p; i++){
cin >> a >> b >> c;
if (c*c == a*a + b*b || a*a == b*b + c*c || b*b == a*a + c*c){
cout << "YES" << endl;}
else
{cout << "NO" << endl;}
}
return 0;
}

C++: #include<iostream>
using namespace std;
int i,j,d,k,n1,n2,n3,temp;
 int l[3];

int rt()
{
//入力
cin >> n1 >> n2 >> n3;
while(n1 < 1 or n1 > 1000 or n2 < 1 or n2 >1000 or n3 < 1 or n3 > 1000){
cin >> n1 >> n2 >> n3;
}
if(n1 >= 1 and n1 <= 1000 and n2 >= 1 and n2 <=1000 and n3 >= 1 and n3 <= 1000){
       l[0]=n1;
       l[1]=n2;
       l[2]=n3;
        for (i = 0; i < 2; i++) {
        for (j = 2; j > i; j--) {
            if (l[j - 1] > l[j]) {  
                temp = l[j];  
                l[j] = l[j - 1];
                l[j - 1] = temp;
            }
        }
    }
 }
    if(l[2]*l[2] == (l[1]*l[1]+l[0]*l[0])){
    cout << "YES\n";
    }else{
    cout << "NO\n";
    }
}



int main(){

   cin >> d;
   while(d <= 1 or d >= 1000){
       cin >> d;
   }

for(k=0;k<d;k++){
    rt();
}

    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,tmp;
    cin >> a >> b >> c;
    if (a < b) {
      tmp = a;
      a = b;
      b = tmp;
    }
    if (a < c) {
      tmp = a;
      a = c;
      c = tmp;
    }
    if (a*a == b*b + c*c) {
      cout << "YES" << endl;
    } else {
      cout << "NO" << endl;
    }
  }
  return 0;
}

C++: int main(void){
   int i,N,a,b,c;
   scanf("%d",&N);
   for(i=1;i<=N;i++){
       scanf("%d %d %d",&a,&b,&c);
   if ((a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a)
     && (a > 0 && b > 0 && c > 0)) {
       printf("YES\n");
   }
 else {
   printf("NO\n");
 }  
     }
   return 0;   
}

C++: #include<iostream>
#include<algorithm>
using namespace std;
int main(){
	int n;
	cin >> n;
	for(int i = 0; i < n; i++){
		int l[3];
		cin >> l[0] >> l[1] >> l[2];
		sort(l,l+3);
		
		if(l[2]l[2]=l[1]*l[1]+l[0]*l[0])
			cout << "Yes" << endl;
		else
			cout << "No" << endl;
	}
      return 0;
}