#include <stdio.h>

class Foo
{
public:    
    int _x;
};

Foo Bar()
{
    Foo x;
    x._x = 3;
    return x;
}


int Baz(const Foo& x)
{
    return x._x;
}

int main()
{
    printf("%d\n", Baz(Bar()));
    return 0;
}