#include <iostream>
#include <string>
#include <algorithm>
int main() {
std::string str = "Halo Dunia";
std::reverse(str.begin(), str.end());
std::cout << str << std::endl; // Output: ainuD olaH
return 0;
}
ICAgICAgICAjaW5jbHVkZSA8aW9zdHJlYW0+CiAgICAgICAgI2luY2x1ZGUgPHN0cmluZz4KICAgICAgICAjaW5jbHVkZSA8YWxnb3JpdGhtPgoKICAgICAgICBpbnQgbWFpbigpIHsKICAgICAgICAgICAgc3RkOjpzdHJpbmcgc3RyID0gIkhhbG8gRHVuaWEiOwogICAgICAgICAgICBzdGQ6OnJldmVyc2Uoc3RyLmJlZ2luKCksIHN0ci5lbmQoKSk7CiAgICAgICAgICAgIHN0ZDo6Y291dCA8PCBzdHIgPDwgc3RkOjplbmRsOyAvLyBPdXRwdXQ6IGFpbnVEIG9sYUgKICAgICAgICAgICAgcmV0dXJuIDA7CiAgICAgICAgfQ==