import java.util.Scanner;

class EnkelKalkulator {
	private static void add(int n1, int n2) {
		System.out.println(n1 + n2);
	}

	private static void sub(int n1, int n2) {
		System.out.println(n1 - n2);
	}

	private static void multi(int n1, int n2) {
		System.out.println(n1 * n2);
	}

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);

		System.out.println("First number:");
		int n1 = s.nextInt();

		System.out.println("Second number:");
		int n2 = s.nextInt();

		System.out.println(n1+"+"+n2+":");
		add(n1, n2);

		System.out.println(n1+"-"+n2+":");
		sub(n1, n2);

		System.out.println(n1+"*"+n2+":");
		multi(n1, n2);
	}
}