#include <bits/stdc++.h>
using namespace std;
int main(){
	
	int i,n,x,a,b,c;
	cin>>i;
	n=i/100%10;
	x=i/1000;
	a=i/10%10;
	b=i%10;
	c=n+x+a+b+i;
	cout<<c;

}

/**************************************************************
	Problem: 1617
	User: huangyaojie3
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/