MoonGavity

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

class MoonGravity
{
    static void Main()
    {
        double weightToCalc;
        Console.WriteLine("Please, enter the man weight in kilos:");
        while(!double.TryParse(Console.ReadLine(), out weightToCalc))
        {
            Console.WriteLine("\nPlease, enter correct weight.\n");
        }
        Console.WriteLine("A man weighting {0} kilos will weight {1} in Moon Gravity", weightToCalc, (weightToCalc*0.17));
        Console.WriteLine("\nPress any key to exit.");
        Console.ReadKey();
    }
}