Go: package main

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

var sc = bufio.NewScanner(os.Stdin)

//Sliceconvtoi ...
func Sliceconvtoi() []int {
	strs := strings.Split(sc.Text(), " ")

	var ints []int
	var x int

	for _, s := range strs {
		x, _ = strconv.Atoi(s)
		ints = append(ints, x)
	}

	return ints
}

func main() {

	for sc.Scan() {
		i := Sliceconvtoi()
		fmt.Println(i[0] + i[1])
	}

}

C++: #include <iostream>
#include <vector>
#include <string>
#include <map>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <climits>
#include <cmath>
using namespace std;

int main()
{
  int a, b;
  while (cin >> a >> b) {
    cout << a + b << endl;
  }
}

C++: #include<cstdio>

int main()
{
        int a, b;

        while(scanf("%d %d",&a, &b) != EOF){
                printf("%d\n", a+b);
        }

        return 0;
}

C++: #include <iostream>

int main(){
	
	int a,b;

	while(scanf("%d %d",&a,&b) != EOF)
		printf("%d\n",a+b);

	return 0;
}

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

int main(){
  int a,b;
  cin >> a >> b;
  cout << a+b << endl;
}

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

int main(void){
  int a, b;
  while(cin >> a >> b){
    cout << a + b << endl;
  }
  return 0;
}

C++: #include <iostream>
int A = 0, B = 0;
int main(void){
    while(std::cin >> A >> B){
        std::cout << (A+B) << std::endl;
    }
}

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

int main()
{
    int a,b;
    while(cin >> a >> b)
    {
        cout << a+b << endl;
    }
    return 0;
}

C++: #include<iostream>
using namespace std;
int main()
{
        int a,b;
        cin >> a >> b;
        cout << a+b << endl;
        return 0;
}

C++: #include<cstdio>
#include<iostream>
using namespace std;
int main()
{
  int a,b;
  while(cin>>a>>b)
  {
    cout<<a+b<<endl;
  }
}

C++: #include <iostream>

using namespace std;
int main()
{
   int a,b;
   while(cin>>a>>b)
   {
       cout<<a+b<<endl;
   }
}

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

int main() {
  int a,b;
  while(cin >> a>> b)
    cout << a+b << endl;
}

C++: #include<stdio.h>
int main(){
	
	int a,b;
	while (scanf_s("%d%d", &a, &b)!=EOF){
		printf("%d\n", a + b);
	}
	return 0;
 }

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

int a,b;

int main(){
	while(cin>>a>>b){
		long long c=0;
		while(c<1000000000000LL&&c%2!=2)c++;
		cout<<a+b+c%9-1<<endl;
	}
}

C++: #include<cstdio>
#include<iostream>
#include<algorithm>
#include<vector>
#include<set>
#include<map>
#include<string.h>
#include<functional>
#include<queue>
#include<stack>
#include<math.h>
#define INF 999999
#define EPS 1.0e-6

using namespace std;

int a, b;

int main()
{
	while (cin >> a >> b) {
		cout << a + b << endl;
	}

	return 0;
}

C++: main(){int a,b;while(~scanf("%d %d",&a,&b)){printf("%d\n",a+b);}}

C++: main(a,b){while(~scanf("%d%d",&a,&b))printf("%d\n",a+b);}

C++: #include <cstdio>

int main(){
	int a, b;
	while(scanf("%d %d", &a, &b) != EOF){
		printf("%d\n", a+b);
	}
	return 0;
}

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

using namespace std;

int main() {
    int a, b;
    while(scanf("%d %d", &a, &b) != EOF) {
        cout << (a + b) << endl;
    }
    return 0;
}

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

int main(){
	int a,b;
	while(cin >> a >> b){
		cout << a+b << endl;
	}
}

C++: #include<stdio.h>

int main(){
    int a, b;
    while( scanf("%d %d", &a, &b) != EOF ){
        printf("%d\n", a + b);
    }
    return 0;
}

C++: #include <bits/stdc++.h>

int main() {
    int a, b;
    
    while(std::scanf("%d %d", &a, &b) != EOF) {
        std::printf("%d\n", a+b);
    }
    
    return 0;
}

C++: #include<iostream>
int main(){
int a,b,c;
while(std::cin>>a>>b){
c=a+b;
std::cout<<c;}}

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

int main(){
int a[10];
for(int i=0;i<10;i++)cin >> a[i];
sort(a,a+10);
for(int i=9;i>6;i--)cout << a[i] << endl;
}

C++: hello world

C++: #include<stdio.h>

int main(){
      int a,b;
    while( scanf("%d %d",&a,&b)!=EOF){
      
       
        printf("%d\n",a+b);
    }
    return 0;
}

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

int main(){
	int a, b;
	while(cin >> a >> b){
		cout << a + b << endl;
	}
}

C++: #include <bits/stdc++.h>
using namespace std;
using uint = unsigned int;
using lint = long long int;
using ulint = unsigned long long int;
template<class T = int> using V = vector<T>;
template<class T = int> using VV = V< V<T> >;
template<class T, class U> void assign(V<T>& v, int n, const U& a) { v.assign(n, a); }
template<class T, class... Args> void assign(V<T>& v, int n, const Args&... args) { v.resize(n); for (auto&& e : v) assign(e, args...); }


V<string> split(const string& s, char c) {
  V<string> res;
  stringstream ss(s);
  string t;
  while (getline(ss, t, c)) res.push_back(t);
  return res;
}

int main() {
  cin.tie(nullptr); ios_base::sync_with_stdio(false);
  string s;
  while (getline(cin, s)) {
    auto ss = split(s, ' ');
    int a = stoi(ss[0]), b = stoi(ss[1]);
    cout << a + b << '\n';
  }
}

C++: #include <iostream>

using namespace std;

int main()
{
int a, b;
while(cin>>a>>b) cout << (a+b) << endl;
return 0; 
}

C++: #include <iostream>
int a,b;
int main(){
while(std::cin>>a>>b){
long long c=0;
for(long long i=0;i<100000000LL;i++)c++;
std::cout<<a+b+(int)(c/1e9)<<std::endl;
}
}

C++: #include<stdio.h>

int main(){
    int a, b;
    while( scanf("%d %d", &a, &b) != EOF ){
        printf("%d\n", a + b);
    }
    return 0;
}

C++: #include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <algorithm>
#include <sstream>
#include <cmath>
#include <set>
#include <iomanip>
#include <deque>
#include <stdio.h>
using namespace std;

#define REP(i,n) for(int (i)=0;(i)<(int)(n);(i)++)
#define RREP(i,n) for(int (i)=(int)(n)-1;i>=0;i--)
#define iREP(i,Itr) for(auto (i)=(Itr).begin();(i)!=(Itr).end();(i)++)
#define REMOVE(Itr,n) (Itr).erase(remove((Itr).begin(),(Itr).end(),n),(Itr).end())
#define PB_VEC(Itr1,Itr2) (Itr1).insert((Itr1).end(),(Itr2).begin(),(Itr2).end())
#define UNIQUE(Itr) sort((Itr).begin(),(Itr).end()); (Itr).erase(unique((Itr).begin(),(Itr).end()),(Itr).end())
#define LBOUND(Itr,val) lower_bound((Itr).begin(),(Itr).end(),(val))
#define UBOUND(Itr,val) upper_bound((Itr).begin(),(Itr).end(),(val))
typedef long long ll;


int main(){
    
    int a,b;
    while(cin>>a){
        cin>>b;
        cout<<a+b<<endl;
    }
    
    return 0;
}

C++: #include <cstdio>
int main(){
    int a,b;
    while(scanf("%d %d",&a,&b)!=EOF) printf("%d\n",a+b);
    return 0;
}

C++: #include <iostream>

using namespace std;

int main()
{
    int a,b;
    while(cin >> a >> b)
        cout << a+b << endl;
 	return 0;   
}

C++: #include<stdio.h>

int main(){
    int a, b;
    while( scanf("%d %d", &a, &b) != EOF ){
        printf("%d\n", a + b);
    }
    return 0;
}

C++: #include<stdio.h>
int main(){
	int a,b;
	while(~scanf("%d%d",&a,&b)){
		printf("%d\n",a+b);
	}
}