ndivnlen

#include <bits/stdc++.h>
#define ULL unsigned long long int
using namespace std;

int nrc(int n) /// NIntoarce numarul de cifre ale lui n
{
    int nr=0;
    while(n)
        ++nr,n/=10;
    return nr;
}

int main()
{
    int n;
    cin>>n;
    int c=nrc(n);
    cout<<n;
    for(int i=1;i<=n-c;++i)
        cout<<0;
    cout<<'\n';
    return 0;
}