using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        int[] minutes = {45, 40, 31, 30, 29, 1};

        var numbers = new[]{30, 20, 40};

        Array.Sort(numbers);

        foreach (int minute in minutes)

        {

            int result = numbers.Where(n => n >= minute).DefaultIfEmpty(numbers.Last()).First();

            Console.WriteLine("Input:{0}, Output:{1}", minute, result);

        }

    }

}