#include <iostream>
using namespace std;
void function(const int& arg){
std::cout << arg << std::endl;
}
int main() {
function(20);
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKdm9pZCBmdW5jdGlvbihjb25zdCBpbnQmIGFyZyl7CglzdGQ6OmNvdXQgPDwgYXJnIDw8IHN0ZDo6ZW5kbDsKfQoKaW50IG1haW4oKSB7CglmdW5jdGlvbigyMCk7CglyZXR1cm4gMDsKfQ==