Ex03, 19.06.2021

import java.util.Scanner;

public class Ex03 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int y;
        int c = 0;

        System.out.print("Enter your grade (0 to 100): ");
        y = in.nextInt();

        while (y >= 0 && y <= 100) {
            c++;

            System.out.print("Enter your grade (0 to 100): ");
            y = in.nextInt();
        }

        System.out.println("You have " + c + " grades");

        in.close();
    }
}