#include <iostream>

using namespace std;

int numarray[400];
int i=0;

int main(){
while(cin>>numarray[i]) {
	//cout<<numarray[i]<<endl;
	i++;
}

for (int j=0;j<i;j=j+2){
	//cout<<numarray[j]<<"+"<<numarray[j+1]<<"=";
	cout<<numarray[j]+numarray[j+1]<<endl;
}

	return 0;
}