import java.util.Scanner;
public class PrimitivesCalculator {
public static void main(String[] args) {
Scanner input;
boolean separateCategory;
float currentGrade;
float desiredGrade;
float percentOfFinal;
input = new Scanner(System.in);
System.out.print("Do you want separate categories? ");
separateCategory = input.nextBoolean();
System.out.println(separateCategory);
if(separateCategory == true) {
System.out.print("Enter current grade? ");
currentGrade = input.nextInt();
System.out.println(currentGrade);
System.out.print("Enter desired grade? ");
desiredGrade = input.nextInt();
System.out.println(desiredGrade);
System.out.print("Enter percent of grade that is final? ");
percentOfFinal = input.nextFloat();
System.out.println(percentOfFinal);
input.close();
float gradeNeeded = (desiredGrade - currentGrade * (1-percentOfFinal))/percentOfFinal;
System.out.println(gradeNeeded);
}
}
}