Percentage Calculator For 3 Subjects

package com.company;

import java.awt.desktop.ScreenSleepEvent;
import java.util.Locale;
import java.util.Random;
import java.util.Scanner;


public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter the Marks of Subject 1");
        float a= sc.nextFloat();

        System.out.println("Enter the Marks of Subject 2");
        float b= sc.nextFloat();

        System.out.println("Enter the Marks of Subject 3");
        float c= sc.nextFloat();

        float per = (a+b+c)/3.0f;
        System.out.println("Percentage = "+per);
    }
}