#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,g,s,b,q;
	cin>>n;
	g=n/1%10;
	s=n/10%10;
	b=n/100%10;
	q=n/1000%10;
	cout<<n+(g+s+b+q);
	return 0;
}

/**************************************************************
	Problem: 1617
	User: zhangailin
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/