#include <iostream>
using namespace std;
int main() {
int s,k;
s = 0;
for(k=1; k<=11; k++){
s = s + 12;
}
cout << s << "\n";
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CgoJaW50IHMsazsKICAgIHMgPSAwOwogICAgZm9yKGs9MTsgazw9MTE7IGsrKyl7CiAgICAgICAgcyA9IHMgKyAxMjsKICAgIH0KCWNvdXQgPDwgcyA8PCAiXG4iOwoKCXJldHVybiAwOwoKfQ==