#include <iostream>

using namespace std;
// you may type whatever you want
int main()
{
    cout << "Enter A and B: ";
int a, b;
cin >> a >> b;
cout << "A + B .=.. " << a + b << '\n'
     << "A - B = " << a - b << '\n'
     << "A * B =.." << a * b <<'\n'
     << "Aà % Bb =.." << a % b;

    return 0;
}