Java program to determine Grade

import java.io.*;
import java.util.*;

class grade
{
   public static void main(String args[])
   {
   
      int n, m;
     
      System.out.println("Enter your name:- ");
      Scanner scanner = new Scanner(System.in);
      String name = scanner.nextLine();
     
      System.out.println("Enter your Class ");
      Scanner in = new Scanner(System.in);
      n = in.nextInt();
     
      System.out.println("Enter your Marks ");
      Scanner out = new Scanner(System.in);
      m = in.nextInt();
     
      if (m>100){System.out.println("Please enter your Actual marks -.- -.-");}
      else if(m>=80){System.out.println("Congrats You Got A Grade");}    
      else if (m>=70){ System.out.println("Congrats You Got B Grade");}
      else if (m>=60){System.out.println("WorkHard! You Got C Grade");}
      else if (m>=50){System.out.println(" Improve Yourself!! You Got D Grade");}
      else if (m>=40){System.out.println(" Improve! You Got E Grade");}
      else if (m<40) {System.out.println("Sorry You Have Failed");}
     
 
}
}