#include <iostream>
int multiply_by_two(int v)
{
return v * 2;
}
void print_hello_world()
{
std::cout << "Hello, World!" << std::endl;
}
int main()
{
print_hello_world();
std::cout << "The meaning of life is " << multiply_by_two(21) << std::endl;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgoKaW50IG11bHRpcGx5X2J5X3R3byhpbnQgdikKewoJcmV0dXJuIHYgKiAyOwp9CnZvaWQgcHJpbnRfaGVsbG9fd29ybGQoKQp7CglzdGQ6OmNvdXQgPDwgIkhlbGxvLCBXb3JsZCEiIDw8IHN0ZDo6ZW5kbDsKfQoKaW50IG1haW4oKQp7CglwcmludF9oZWxsb193b3JsZCgpOwoKCXN0ZDo6Y291dCA8PCAiVGhlIG1lYW5pbmcgb2YgbGlmZSBpcyAiIDw8IG11bHRpcGx5X2J5X3R3bygyMSkgPDwgc3RkOjplbmRsOwp9Cg==