// CS210 F'03 Exam 1
// Question 10
//

#include <iostream>
using namespace std;

int deftest(int frog=1, char wart='x', int lily=9);

int main(void)
{
  cout << deftest(1024) << endl;  
  cout << deftest(500,'a') << endl;  
  cout << deftest(3500,'v',2) << endl;  
}

int deftest(int f, char w, int L)
{
  int pond(2);
  if(f > 2000 || w == 'x')
   pond = pond + 2;
  else if (f > 1000 || w == 'y')
   pond = pond - 2;
  else if (f > 3000 || w == 'z')
   pond = pond * 2;
  return(L-pond);
}

// output
// 5
// 7
// -2