#include <fstream>

using namespace std;

ifstream fin("adunare.in");
ofstream fout("adunare.out");

string buffer;
string::iterator buffer_it;

int read_int(  ) {
    while ( *buffer_it<'0' || *buffer_it>'9' ) {
        ++buffer_it;
    }
    int x = 0;
    while ( *buffer_it>='0' && *buffer_it<='9' ) {
        x = x*10+*buffer_it-'0';
        ++buffer_it;
    }
    return x;
}

int main(  ) {
    getline(fin, buffer, (char)0);
    buffer_it = buffer.begin();

    int a = read_int(), b = read_int();
    fout << a+b << "\n";

    return 0;
}