#include <iostream>
using namespace std;
int main()
{
cout << ( char)97 << endl;
cout << ( signed char)97 << endl;
cout << (unsigned char)97 << endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKQp7Cgljb3V0IDw8ICggICAgICAgICBjaGFyKTk3IDw8IGVuZGw7Cgljb3V0IDw8ICggIHNpZ25lZCBjaGFyKTk3IDw8IGVuZGw7Cgljb3V0IDw8ICh1bnNpZ25lZCBjaGFyKTk3IDw8IGVuZGw7CglyZXR1cm4gMDsKfQ==