#include <iostream>
using namespace std;
int main() {
// your code goes here
string s = "hello";
// string p = s + 4;
s += 4;
cout << s << endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglzdHJpbmcgcyA9ICJoZWxsbyI7CgkvLyBzdHJpbmcgcCA9IHMgKyA0OwoJcyArPSA0OwoJY291dCA8PCBzIDw8IGVuZGw7CglyZXR1cm4gMDsKfQ==