#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: chenjiahui
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/