import java.util.Scanner;

class Calculator {
	public static void main(String[] args) {

		Scanner kb = new Scanner(System.in);

		System.out.print("Enter 2 decimal values: ");
	
		double value1 = kb.nextDouble();
		double value2 = kb.nextDouble();

		double sum = value1 + value2;
		double difference = value1 - value2;
		double product = value1 * value2;
		double quotient = value1 / value2;

		System.out.printf("Sum: %f\n", sum);
		System.out.printf("Difference: %f\n", difference);
		System.out.printf("Product: %f\n", product);
		System.out.printf("Quotient: %f\n", quotient);

	}
}