#include <iostream>

using namespace std;

int main()
{
    cout << "Enter a and b: ";
    double a, b;
    cin >> a >> b;
    cout << "a + b = " << a + b << endl;
    cout << "a - b = " << a - b << endl;
    cout << "a * b = " << a * b << endl;
    cout << "a / b = " << a / b << endl;
    if (a > b){
        cout << a << endl;
    }
    else if (b > a) {
        cout << b << endl;
    }
    else {
        cout << "a = b" << endl;
    }
    if (a > b) {
        cout << b << endl;
    }
    else if (b > a) {
        cout << a << endl;
    }
    else {
        cout << "a = b" << endl;
    }
    return 0;
}