A+B

#include <iostream>
#include <cstring>
using namespace std;

string A,B;
long long x,y; 

long long Tranform(string str)
{
    long long tmp = 0;
    int flag = 1;
    if(str[0] == '-'){
        flag = -1;
        str = str.substr(1,str.length()-1);
    } 
    for(int i = 0 ; i < str.length() ; i++){
        if(str[i] >= '0' && str[i] <= '9'){
            tmp = tmp*10 + (str[i]-'0');
        }
    }
    return tmp*flag;
}

int main()
{
    while(cin>>A>>B){
        x = Tranform(A);
        y = Tranform(B);
        cout<<x+y<<endl; 
    }

    return 0;
}