/*************************************************************
An arithmetic tester:  Addition

22 Oct 2007
written by Usama Khan
**************************************************************/
import java.util.Scanner;
import java.util.Random;

public class arithmetic{

	public static void main(String args[]){

		Random r = new Random();
		int number1;
		int number2;
		number1=r.nextInt(10);
		number2=r.nextInt(10);
		int result = number1+number2;
		Scanner keyboard = new Scanner(System.in);
		System.out.println(number1+"+"+number2+"=");
		int typed = keyboard.nextInt();
		if(typed==result){
			System.out.println("CORRECT");
		                 }
		else{
			System.out.println("not correct!");
		    }
	}
}