Write a Program to accept Mark of three Subject of Students,Calculate average of marks and also print grade in java

Accept Mark of three Subject of Students,Calculate average of marks and also print grade  .




import java.util.Scanner;
class Grade
{
public static void main(String args[])
 {
 float a,b,c,avg;
Scanner  s=new Scanner(System.in);
System.out.println("Enter the mark of three subs");
a=s.nextFloat();
b=s.nextFloat();
c=s.nextFloat();
avg=a+b+c/3;
if(avg>=80)
{
System.out.println("You are in A grade ");
}
else if(avg>=60 && avg<=80)
{
System.out.println("You are in B grade ");
}
else if(avg>=50 && avg<60)
{
System.out.println("You are in C grade ");
}
else
{
System.out.println("Fail ");
}
}

}

Output: