using System;

public class Program

{

    public static void Main()

    {

​

    }

        int i; 

​

        double m = 0.7; 

​

        double summe = 0, z; 

​

        }

​

            string name = " "; 

        }

          for (i = 1; i <= 26; i++) 

​

            { 

​

                Console.Write (+= "Stufe " + i + "\n");   

            }

        }

    }

}