import java.util.Scanner;

/* Phillip Martinez
 * Date: 9/23
 * Project 4A
 * Description: If statements
 */
public class Project4A {
	public static void main(String[] args)
	{
		Scanner s = new Scanner(System.in);
		System.out.print("Please enter an Exam Score: ");
		int in = s.nextInt();
		check(in); //print out the grade of the student

	}

	public static void check(int input)
	{
		gra(input);//give me a grade, print out the grade
	}

	public static void gra(int in)
	{
		String g = "";
		if(in >= 90)
			g = "A";
		if(in < 90 && in >= 80)
			g = "B";
		if(in<80 && in >=70)
			g = "C";
		if(in < 70 && in >= 60)
			g = "D";
		if(in < 60)
			g = "F";
		System.out.println("This student " +
							"revieved a '"+g+ "'.");

	}

}