#include <iostream>
#include <string>
using namespace std;
void myFunction(std::string str) {
str[2] = 'j';
cout << str << "\n";
}
int main() {
myFunction("abcdef");
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RyaW5nPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKdm9pZCBteUZ1bmN0aW9uKHN0ZDo6c3RyaW5nIHN0cikgewoJc3RyWzJdID0gJ2onOwoJY291dCA8PCBzdHIgPDwgIlxuIjsKfQoKaW50IG1haW4oKSB7CglteUZ1bmN0aW9uKCJhYmNkZWYiKTsKfQ==