public class MethodReturn
{
	public static void main(String[] args)
	{
		int d;
		
		d = Double(3);
		
		System.out.println(d);
		
		System.out.println(Double(50));
	}
	
   public static int Double(int i)
	{
		int e = 2*i;
		
		return e;
   }
}