package ifelsejava;

import java.util.Scanner;

public class Main19 {

public static void main(String[] args) {

/*

Physics, Chemistry, Biology, Mathematics and Computer. Calculate percentage and grade according to following:

Percentage >= 80% : Grade A+

Percentage >= 75% : Grade A

Percentage >= 70% : Grade A-

Percentage >= 65% : Grade B+

Percentage >= 60% : Grade B

Percentage >= 55% : Grade B-

Percentage >= 50% : Grade C+

Percentage >= 45% : Grade C

Percentage >= 40% : Grade D

Percentage < 40% : Grade F

*/

Scanner input = new Scanner(System.in);

int phy, che, bio, math, com, avg_mark;

System.out.println("Input marks of five subjects and calculate the grade.\n");

System.out.print("Physics: ");

phy = input.nextInt();

System.out.print("Chemistry: ");

che = input.nextInt();

System.out.print("Biology: ");

bio = input.nextInt();

System.out.print("Mathematics: ");

math = input.nextInt();

System.out.print("Computer: ");

com = input.nextInt();

avg_mark = (phy + che + bio + math + com) / 5;

if (avg_mark >= 80 && avg_mark <= 100) {

System.out.println("Grade A+");

} else if (avg_mark >= 75 && avg_mark <= 79) {

System.out.println("Grade A");

} else if (avg_mark >= 70 && avg_mark <= 74) {

System.out.println("Grade A-");

} else if (avg_mark >= 65 && avg_mark <= 69) {

System.out.println("Grade B+");

} else if (avg_mark >= 60 && avg_mark <= 64) {

System.out.println("Grade B");

} else if (avg_mark >= 55 && avg_mark <= 59) {

System.out.println("Grade B-");

} else if (avg_mark >= 50 && avg_mark <= 54) {

System.out.println("Grade C+");

} else if (avg_mark >= 45 && avg_mark <= 49) {

System.out.println("Grade C");

} else if (avg_mark >= 40 && avg_mark <= 44) {

System.out.println("Grade D");

} else if (avg_mark < 40) {

System.out.println("Fail");

}

}

}