public class Calculator
{
   public static void main(String[] args)
   {
        int a = Integer.parseInt( args[0] ); // First number
        int b = Integer.parseInt( args[2] ); // Second number
	int result = 0;

	switch ( args[1].charAt(0) )
	{
           case '+': result = a + b; break;
	   case '-': result = a - b; break;
	   case '.': result = a * b; break;
	   case '/': result = a / b; break;
        }

	System.out.println(a + " " + args[1] + " " + b + " = " + result);
   }
}