Simple Mathematical Operations Program In java

class mathopr
{   public static void main(String arg[])
    {     int a,b,c;
          a = Integer.parseInt(arg[0]);
          b = Integer.parseInt(arg[1]);
          c = a+b;
          System.out.println("Addition is " +c);
          c = a-b;
          System.out.println("Substraction is " +c);
          c = a*b;
          System.out.println("Multiplication is " +c);
          c = a/b;
          System.out.println("Division is " +c);
          c = a%b;
          System.out.println("Modulus is " +c);

     }
}