#include<bits/stdc++.h>
using namespace std;
int main() {
	int n,a,b,c,d;
	cin>>n;
	a=(n+1)*10;
	b=(n+2)*100;
	c=(n+3)*1000;
	d=(n+4)*10000;
	cout<<a+b+c+d+n;
}
/**************************************************************
	Problem: 1621
	User: linzihang
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/