#include <iostream>
using namespace std;
int main()
{
int y = -1;
int p = 255;
int q;
q = y >= 0 ? y / p : (y - p + 1) / p; // Евклидово деление
y -= q * y; // Остаток
cout << y << endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSAKewoJaW50IHkgPSAtMTsKCWludCBwID0gMjU1OwoJaW50IHE7CgkKCXEgPSB5ID49IDAgPyB5IC8gcCA6ICh5IC0gcCArIDEpIC8gcDsgLy8g0JXQstC60LvQuNC00L7QstC+INC00LXQu9C10L3QuNC1Cgl5IC09IHEgKiB5OyAgICAgICAgICAgICAgICAgICAgICAgICAgIC8vINCe0YHRgtCw0YLQvtC6CgkKCWNvdXQgPDwgeSA8PCBlbmRsOwoJCglyZXR1cm4gMDsKfQ==