#include <iostream>
using namespace std;
int main() {
int x = 1, y = -2, z = 666;
string falsetrue = "FFTF";
cout << falsetrue[((-x >> 31) & 1) + ((-y >> 31) & 1) + ((-z >> 31) & 1)];
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CglpbnQgeCA9IDEsIHkgPSAtMiwgeiA9IDY2NjsKCXN0cmluZyBmYWxzZXRydWUgPSAiRkZURiI7Cgljb3V0IDw8IGZhbHNldHJ1ZVsoKC14ID4+IDMxKSAmIDEpICsgKCgteSA+PiAzMSkgJiAxKSAgKyAoKC16ID4+IDMxKSAmIDEpXTsKCXJldHVybiAwOwp9