#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    char s[101], sc[101], *cuv;
    int n;
    cin>>n;
    cin.get();
    cin.getline(s, 101);

    strcpy(sc, s);
    cuv = strtok(sc, " ");
    while (cuv)
    {
        if (strlen(cuv)>=n)
            cout<<cuv<<endl;
        cuv = strtok(NULL, " ");
    }

    cuv = strtok(s, " ");
    while (cuv)
    {
        if (strlen(cuv)<n)
            cout<<cuv<<endl;
        cuv = strtok(NULL, " ");
    }
}