using System;
using System.Linq;
 
    class Program {
 
        static void Main(string[] args) {
            var array = new[] {"09Bananas", "Pears2", "Mangoes39Bad", "100Apples", "Mangoes38Good"};
            Array.Sort(array, (a,b) => {
                a = new string(a.Where(char.IsLetter).ToArray());
                b = new string(b.Where(char.IsLetter).ToArray());
                return a.CompareTo(b);
            });
            Console.WriteLine(string.Join(", ", array));
        }
 
    }

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