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