#include <iostream>
using namespace std;
struct Peka {
Peka operator()() {
std::cout << "peka" << std::endl;
return Peka();
}
};
struct Yoba {
Peka operator()() {
std::cout << "yoba" << std::endl;
return Peka();
}
};
int main() {
Yoba yoba;
yoba()();
// your code goes here
return 0;
}
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