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 <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>

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();}

template<class T> inline T sqr(T x) {return x*x;}

typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef unsigned long long ULL;

#define ALL(a)  (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define SZ(a) int((a).size())
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)

const double EPS = 1e-10;
const double PI  = acos(-1.0);

#define CLR(a) memset((a), 0 ,sizeof(a))

#define dump(x)  cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;

int dx[8] = {-1, 0, 1, 0, -1, -1, 1, 1};
int dy[8] = {0, -1, 0, 1, -1, 1, -1, 1};

int main() {
  int x, y;  
  
  while(cin >> x >> y) {
    cout << x+y << endl;
  }
}

C++: while 1:
 try: print sum(map(int,raw_input().split()))
 except : break

C++: #import<cstdio>
int main(){for(int a,b;~scanf("%d%d",&a,&b);printf("%d\n",a+b));}

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

int main(){
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;
  }
  return 0;
}

C++: hello world

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

int main() {
  cout<<"Hi!"<<endl;
  return 0;
}

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

using namespace std;
using ll = long long;

#define rep(i,n) for(int i=0;i<(n);i++)
#define all(c) (c).begin(), (c).end()

const int INF=1e9;
const int MOD=1e9+7;
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};

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

C++: #include<iostream>

using namespace std;



main(){

int a, b;

while(cin >> a >> b)cout << a+b << endl;

}

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

int a, b;

int main(){
	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 <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;
   
   while(cin >> a >> b)
      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;
    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 <iostream>
using namespace std;

long long a,b;

int main(){
	while(cin>>a>>b){
		if(a<0||b<0)cout<<"ERROR";
		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 <stdio.h>

int main(int argc, char** argv)
{
  int a, b;

  while (fscanf(stdin, "%d %d", &a, &b) == 2)
    fprintf(stdout, "%d\n", a + b);
}

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 <iostream>
#include <cstdio>
using namespace std;
int main(){
    int a, b;

int N=100000000;
int s=0;
while(N--){s+=N;}
cout<<s<<endl;
    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 <iostream>
#include <cmath>
using namespace std;

int a,b;

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

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


int main(){

  int num1 , num2 , sum = 0;

  while( cin >> num1 >> num2 ){

    // cin >> num1 >> num2;

  sum = num1 + num2;

  cout << sum << endl;

  }

  return 0;
}

C++: /*Filename: aoj1000.cpp
 *Author: Mushiyo
 */

#include <iostream>

using namespace std;

int main(){
	long long A = 0, B = 0;

    while(cin >> A >> B){
        cout << A + B << endl;
    }

	return 0;
}

C++: while a = gets.split(nil)
sum = a[0].to_i + a[1].to_i
puts sum
end

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

int sum(int i,int j){
	
	return i+j;
}

int main(){
	
	int i,j,k;//i and j is for storing numbers. 

	cout<<"enter a pair of integers,";
	cout<<"and you will get the sum of them.\n";
	cout<<"you have to enter pairs for ever.\n";
	cout<<"if you want to quit, enter 666 for first one.\n";
	cout<<"here we go. >";

	//when a first integer is 666, loop will quit.
	while(1){

		cin>>i>>j;//store the value of the pair.
		if(i==666)
			break;
		else{
			cout<<"the sum of this pair is ";
			cout<<sum(i,j)<<"\n"; //show the answer.
		}
	}
	
	cout<<"it's done!";
	return 0;
}

C++: 

#include<iostream>
using namespace std;


int main(void)
{
	int a , b;

	while (cin >> a >> b && a != EOF)
	{
		a += b;
	
		cout << a << endl;
	}

	return 0;
}

C++: #include <cstdio>
main(a,b){scanf("%d %d",&a,&b);printf("%d",a+b);}

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)!=-1){

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

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

#define REP(i,n) for(int i=0;i<(int)n;++i)

using namespace std;

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