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++: out=[]
while True:
	try:
		k=list(map(int,input().split(" ")))
	        out.append(k[0]+k[1])
	except:
		break

for i in out:
	print(i)

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

#define REP(i,n) for(int i=0; i<n; ++i)
#define IREP(it,array) for(vector<int>::iterator it=array.begin(); it!=array.end(); ++it)
#define SREP(it,array) for(vector<string>::iterator it=array.begin(); it!=array.end(); ++it)
#define MP make_pair
typedef long long LL;
#define EPS (1e-6)
double zero(double d){
  return d < EPS ? 0.0 : d;
}

typedef pair<int,int> P;

int main()
{
  cout.setf(ios::fixed, ios::floatfield);
  cout.precision(7);
  int INF = 1000000;

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

  return 0;
}

C++: #include<iostream>
using namespace std;int main(void){while(1){int i,j;cin>>i>>j;if(cin.eof()){break;}cout<<i+j<<endl;}return 0;}

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

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

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

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

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


using namespace std;

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

C++: #include <iostream>
#include <string>
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++: main(a,b){for(;~scanf("%d%d",&a,&b);printf("%d\n",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 <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;

int a,b;

int main(){
	while(cin>>a>>b){
		long long c=0;
		while(c<10000000000000LL)c++;
		cout<<a+b+c%9-1<<endl;
	}
}

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

C++: /* 日本語コメント　*/

#include<iostream>
using namespace std;

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

C++: #include<stdio.h>

int main(){

int a,b;

scanf("%d %d",&a,&b);

printf("%d",a+b);

return 0;
}

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

int main(){
    int a, b;
    while( !cin.eof() ){
        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++: import java.util.*;

public class Main {
	Scanner sc = new Scanner(System.in);
	void doIt() {
		while(sc.hasNext()) {
			System.out.println(sc.nextInt() + sc.nextInt());
		}
	}
	public static void main(String[] args) {
		new Main().doIt();
	}

}

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 i, j;    
   while( cin >> i >> j ) {
      cout << i + j << endl;
   }
 
   return 0;
}

C++: #include <cstdio>
int main() {
	int A, B;
	while (scanf("%d %d",&A,&B)!=EOF) printf("%d",A+B);
}

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);
    }
int N=100000000;
int s=0;
while(N--){s+=N;}
cout<<s<<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++: a;main(b){while(~scanf("%d%d",&a,&b))printf("%d\n",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 <iostream>
main(){
	int a,b;
	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>
#include <complex>
#include <sstream>
#include <string>
#include <algorithm>
#include <deque>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <vector>
#include <set>
#include <limits>
#include <cstdio>
#include <cctype>
#include <cmath>
#include <cstring>
#include <cstdlib>
#include <ctime>
using namespace std;
#define REP(i, j) for(int i = 0; i < (int)(j); ++i)
#define FOR(i, j, k) for(int i = (int)(j); i < (int)(k); ++i)
#define SORT(v) sort((v).begin(), (v).end())
#define REVERSE(v) reverse((v).begin(), (v).end())
typedef complex<double> P;

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

C++: //include
//------------------------------------------
#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;

//conversion
//------------------------------------------
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();}

//typedef
//------------------------------------------
typedef vector<int> vint;
typedef vector<vint> vvint;
typedef vector<string> vstring;
typedef pair<int, int> pint;
typedef pair<pint, int> ppint;
typedef pair<int, pint> pintp;
typedef unsigned int uint;
typedef long long llint;
typedef unsigned long long int ullint;

//container util
//------------------------------------------
#define ALL(a)  (a).begin(),(a).end()
#define pb push_back
#define mp make_pair
#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())

//repetition
//------------------------------------------
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n)  FOR(i,0,n)

//constant
//--------------------------------------------
const int INF = 100000000;

//clear memory
#define clear(a) memset((a), 0 ,sizeof(a))

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

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