#include <iostream>
using namespace std;
int main() {
// your code goes here
using byte = unsigned char;
byte c;
cin >> c;
cout << c;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCgl1c2luZyBieXRlID0gdW5zaWduZWQgY2hhcjsKCWJ5dGUgYzsKCWNpbiA+PiBjOwoJY291dCA8PCBjOwoJcmV0dXJuIDA7Cn0=