#include <iostream>

int accumulate(int n) {
    int result{0};
    for (int i{0}; i < n; ++i) {
        result += 2;
    }
    return result;
}

int main() {
    int first{accumulate(0)};
    int second{accumulate(1)};
    std::cout << first << ' ' << second << '\n';
    return 0;
}