public class MyAbs
{
  static int abs(int a)
  {
    return a<0?-a:a;
  }
  static float abs(float b)
  {
    return b<0?-b:b;
  }
  static double abs(double c)
  {
    return c<0?-c:c;
  }
  public static void main(String[] args)
  {
    int a=-10;
    float b=-4.56f;
    double c=-10.123;
    System.out.println(MyAbs.abs(a) + ", " + MyAbs.abs(b) + ", " + MyAbs.abs(c));
  }
}