#include <iostream>
int main() {
int a, b,c;
std::cin >> c;
a = c/10 ;
b = c%10;
std::cout << (a * a) + 2 * a * b + (b * b);
}
I2luY2x1ZGUgPGlvc3RyZWFtPgppbnQgbWFpbigpIHsKCWludCBhLCBiLGM7CglzdGQ6OmNpbiA+PiBjOwoJYSA9IGMvMTAgOwoJYiA9IGMlMTA7CglzdGQ6OmNvdXQgPDwgKGEgKiBhKSArIDIgKiBhICogYiArIChiICogYik7Cn0=