using System;

public class Program

{

    public static void Main()

    {

        double suma=0; 

        int num; 

        Console.WriteLine("Ingrese el valor de n"); 

    num= Convert.ToInt16(Console.ReadLine()); 

    for(int i=1; i<=num; i++){

suma+=  Math.Pow(i,i );

    }

        Console.WriteLine("El resultado, es:" + suma );

}

}