include <iostream>

include <cmath>

using namespace std;
int main() {
freopen("TONGLAPPHUONG.INP","r",stdin);
freopen("TONGLAPPHUONG.OUT","w",stdout);
string n;
cin >> n;
int res = 0;
for (int i = 0; i < n.length(); i++) {
res = res + (int) pow(n[i] - 48, 3);
}
cout << res;
return 0;
}