using System;

​

public class Program {

    public static void Main() {

        Console.Write("Enter number of input quiz grades: ");

        int numQuiz = int.Parse(Console.ReadLine());

        int totalGrade = 0;

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

            Console.Write("Enter Quiz #{0}: ", i);

            int grade = int.Parse(Console.ReadLine());

            totalGrade += grade;

        }

        double averageGrade = (double)totalGrade / numQuiz;

        Console.WriteLine("Average grade: {0}%", Math.Round(averageGrade));

        if (averageGrade >= 75) {

            Console.WriteLine("Remarks: PASS");

        } else {

            Console.WriteLine("Remarks: FAIL");

        }

    }

}

​