#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d,e;
	cin>>a;
	b=(a+1);
	c=(b+1);
	d=(c+1);
	e=(d+1);
	b=b*10;
	c=c*100;
	d=d*1000;
	e=e*10000;
	a=a+b+c+d+e;
	cout<<a;
}
/**************************************************************
	Problem: 1621
	User: zengyixuan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/