Java program for subtraction of two number

import java.util.Scanner;
class Substract
public static void main(String args[])
int p, q, r;
System.out.println("Enter two integers to calculate their substraction: ");
Scanner sc = new Scanner(; // An InputStream which is typically connected to keyboard input of console programs.
p = sc.nextInt(); //scan data for input of integer value
q = sc.nextInt();
r = p - q;
System.out.println("substraction of entered integers = "+r);