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>

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;
  whilc (cin>>a>>b) {
    cout<<a+b<<endl;
}
return 0;
}

C++: #include <bits/stdc++.h>
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;
scanf("%d%d",&a,&b);

printf("%d\n",a+b);
}

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

C++: #include<bits/stdc++.h>
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;
cin>>a>>b;
cout<<a+b<<endl;
return 0;
}

C++: #include <iostream>
int a,b;
int main(){
while(std::cin>>a>>b){
int c=0;
while(c<1000000000)c++;
std::cout<<(a+b+c)%c<<std::endl;
}
}

C++: //32
#include<iostream>

using namespace std;

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

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

using namespace std;

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

C++: #include<iostream>
#include<algorithm>
#include<cstdio>
#include<cmath>
#include<math.h>
#include<string>
#include<string.h>
#include<stack>
#include<queue>
#include<vector>
#include<utility>
#include<set>
#include<map>
#include<stdlib.h>
#include<iomanip>

using namespace std;

#define ll long long
#define ld long double
#define EPS 0.0000000001
#define INF 1e9
#define MOD 1000000007
#define rep(i,n) for(i=0;i<n;i++)
#define loop(i,a,n) for(i=a;i<n;i++)
#define all(in) in.begin(),in.end()
#define shosu(x) fixed<<setprecision(x)
#define first F
#define second S

typedef vector<int> vi;
typedef pair<int,int> pii;

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

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

int main(){
	
	int a,b;
	
	while(cin>>a>>b){
	if(a!=b!=0){
		cout<<a+b<<endl;
	}
	else
		break;
	}
}

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

C++: #include <cstdio>
#include <climits>
typedef long long ll;
int main() {
    int  a,b;
    while(scanf("%d%d",&a,&b)!=EOF) {
        if(a+b!=(ll)a+(ll)b) return 1;
        printf("%d\n",a+b);
    }
    return 0;
}

C++: #include<cstdio>
int main(void){
int a,b;
while(scanf("%d%d",&a,&b) == 2)
{
printf("%d\n",a+b);
}
return 0;
}

C++: #include <iostream>

using namespace std;

int main() {

	int a, b;
	cin >> a >> b;
	cout << a + b;

	return 0;
}

C++: #include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<cassert>
#include<iostream>
#include<sstream>
#include<string>
#include<vector>
#include<queue>
#include<set>
#include<map>
#include<utility>
#include<numeric>
#include<algorithm>
#include<bitset>
#include<complex>

using namespace std;

typedef long long Int;
typedef vector<int> vint;
typedef pair<int,int> pint;
#define mp make_pair

template<class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cout << *i << " "; cout << endl; }
template<class T> void chmin(T &t, T f) { if (t > f) t = f; }
template<class T> void chmax(T &t, T f) { if (t < f) t = f; }
int in() { int x; scanf("%d", &x); return x; }

int main() {
	int a,b;
	a=in(),b=in();
	cout<<a+b<<endl;
	return 0;
}

C++: #include<iostream>
#include<string>
#include<sstream>
#include<stdio.h>
#include<cstring>

using namespace std;

int main()
{
#ifndef ONLINE_JUDGE
	freopen("in.txt","r",stdin);
	freopen("out.txt","w",stdout);
#endif
	for(int n,m;cin>>n>>m;cout<<n+m<<endl);
}

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

int main() {
//    freopen("in.txt", "r", stdin);

    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;
    std::cin >> a;
    std::cin >> b;

    std::cout << a + b << std::endl;

    return 0;



}

C++: #include <iostream>
using namespace std;
int main(){
    int a,b,c;
    while ( 1 ) {
    cin >> a >>b ;
    c = a+b;
    cout << c << endl;
    if ( cin.eof() ) { break; }
}
}

C++: #include <iostream>

int main(int argc, char const *argv[]){
	int a,b;
	while(std::cin >> a >> b){
		std::cout << a+b << std::endl;
	}
	return 0;
}

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

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 c,a,b;
    scanf("%d%d",&a,&b);
    c = a+b;
    printf("%d", c);
    return 0;
}

C++: #include <iostream>

using namespace std;

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

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

using namespace std;

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,c;//initializing numbers
	cin>>a>>b;//entering numbers
	c=a+b;//adding numbers
	cout<<c<<endl;//printing numbers
	return 0;//the end
}

C++: #include <iostream>
int a,b;
int main(){
while(std::cin>>a>>b){
int c=0;
for(int i=0;i<6e6;i++)c++;
std::cout<<(int)(a+b+c/1e9)<<std::endl;
}
}

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

C++: #include<iostream>
#include<vector>
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++: hello world

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

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