#include <fstream>
#include <cstring>
using namespace std;
ifstream fin("nr.in");
ofstream fout ("nr.out");
int main()
{
    char s[256],v[]="aeiou", c[]="bcdfghjklmnpqrstvwxyz";
    cin.getline(s,256);
    int i, nr=0;
    for(i=1;i<strlen(s)-1;++i)
    cout << "Hello world!" << endl;
    return 0;
}