/* Question 2 from lab 4 */

import java.util.Scanner;

class CalculatorC {
	public static void main(String [] args){
		Scanner console = new Scanner(System.in);
		int operand1,operand2;
		char operator;

		System.out.println("Enter two integers followed by one of the operators (+ - * /) OR  cntl-z to quit");
		while(console.hasNext()){
			operand1 = console.nextInt();
			operand2 = console.nextInt();
			operator = console.next().charAt(0);

			switch(operator){
				case '+' :
				System.out.println(operand1 + " + " + operand2 + " = " + (operand1 + operand2));
			    break;

			    case '-' :
			    System.out.println(operand1 + " - " + operand2 + " = " + (operand1 - operand2));
			    break;

			    case '*' :
		        System.out.println(operand1 + " * " + operand2 + " = " + (operand1 * operand2));
		        break;

		        case '/' :
		        if(operand2 !=0 ){
					 System.out.println(operand1 + " / " + operand2 + " = " + (operand1 / operand2));
				}else{
					 System.out.println("Cannot divide by 0");
				}

				default:
		        System.out.println(operator + " Invalid Operator");
			}

			System.out.println("Enter two integers followed by one of the operators (+ - * /), cntl-z to quit");
		}
	}
}