#include<iostream>
#include<fstream>
using namespace std;
int main () {
    ifstream inputFile("input.txt");
    ofstream outputFile("output.txt");
    int a;
    inputFile >> a;
    outputFile << "a=" << a << endl;
    int b;
    inputFile >>b;
    outputFile << "b=" << b << endl;
    int s = a+b;
    outputFile << "a+b=" << s << endl;
    inputFile.close();
    outputFile.close();


    return 0;
}