import java.util.Scanner;

class CalculatorA {
	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 (+ - * /)");
		operand1 = console.nextInt();
		operand2 = console.nextInt();
		operator = console.next().charAt(0);

		if(operator == '+'){
			System.out.println(operand1 + " + " + operand2 + " = " + (operand1 + operand2));
		}
		else if(operator == '-'){
			System.out.println(operand1 + " - " + operand2 + " = " + (operand1 - operand2));
		}
		else if(operator == '*'){
			System.out.println(operand1 + " * " + operand2 + " = " + (operand1 * operand2));
		}
		else if(operator == '/'){
			if(operand2 !=0 ){
				System.out.println(operand1 + " / " + operand2 + " = " + (operand1 / operand2));
			}else{
				System.out.println("Cannot divide by 0");
			}
		}
		else{
			System.out.println(operator + " is an invalid operator");
		}
	}
}