#include <iostream>
#include <fstream>
using namespace std;
int main()
{
    ifstream in("cifreord.in");
    ofstream out("cifreord.out");
    int n,i,v[100001],f[10]={0},j,ok=1;
    in>>n;
    for(i=1;i<=n;i++)
        in>>v[i];
    for(i=1;i<=n;i++)
        f[v[i]]++;
    for(i=0;i<=9;i++)
    {
        for(j=1;j<=f[i];j++)
        {
            out<<i<<" ";
            if(ok%20==0)
                out<<endl;
            ok++;
        }
    }
    return 0;
}