public class Rechner {
	
	public static void main(String[] args) {
		int a=Integer.valueOf(args[0]).intValue();
		System.out.print(a+" ");
		
		String operator=args[1];
		System.out.print(operator+" ");
		
		int b=Integer.valueOf(args[2]).intValue();
		System.out.print(b+" ");
		
		System.out.print("ergibt ");
		if (operator.equals("+"))
			System.out.println(a+b);
		else
			System.out.println("Unsinn");
	}
}