class Being
{
 protected int strength,defence;

 public Being(int s,int d)
 {
  strength=s;
  defence=d;
 }

 public void hit(int force,int power)
 {
  if(force>defence)
     strength=strength-power;
 }
 
 public int morale()
 {
  return (strength+defence)/2;
 }
}