namespace c++

#include <iostream>

// Creating a namespace called "math"
namespace math {
    // Defining a function to add two numbers
    int add(int a, int b) {
        return a + b;
    }

    // Defining a function to subtract two numbers
    int subtract(int a, int b) {
        return a - b;
    }
}

int main() {
    // Using the add and subtract functions from the "math" namespace
    std::cout << "Addition: " << math::add(5, 3) << std::endl;
    std::cout << "Subtraction: " << math::subtract(5, 3) << std::endl;

    return 0;
}