include <bits/stdc++.h>

using namespace std;

int main()
{
freopen("TONGLAPPHUONG.INP","r",stdin);
freopen("TONGLAPPHUONG.OUT","w",stdout);
long long n,res=0;
cin>>n;
while(n!=0)
{
res += pow(n%10,3);
n/=10;
}
cout<<res;
}