using System.Collections.Generic;
public static void Main()
var input = new List<int>{41, 88, 67, 79, 29};
var output = gradingStudents(input);
for(var i = 0; i < input.Count; i++)
Console.WriteLine("Input Grade= {0}; Output Grade= {1}", input[i], output[i]);
public static List<int> gradingStudents(List<int> grades)
var result = new List<int>();
for(var i = 0; i < len; i++)