using System;

public class Program

{

    public static void Main()

    {

        int n = 20;

        int i = 0;

        string mot = "ça tourne ";

        string a = "ça tourne ";

        do {

            i++;

             a = a + mot ;

        }

        while (i != n-1 );

        Console.WriteLine(a);

    }

}