#include "FrogSquare.cpp"

int main(int argc, char **argv)
{
  int i;
  class FrogSquare TheClass;
  int retval;
  int n;
  int d;
  int sx;
  int sy;
  int tx;
  int ty;

  if (argc != 2) { fprintf(stderr, "usage: a.out num or -\n"); exit(1); }

  if ((string) argv[1] == "-") {
    cin >> n >> d >> sx >> sy >> tx >> ty;  
  } else {

    if (atoi(argv[1]) == 0) {
      n = 100;
      d = 10;
      sx = 0;
      sy = 0;
      tx = 3;
      ty = 4;
    }
  
    if (atoi(argv[1]) == 1) {
      n = 100;
      d = 5;
      sx = 0;
      sy = 0;
      tx = 3;
      ty = 4;
    }
  
    if (atoi(argv[1]) == 2) {
      n = 100;
      d = 200;
      sx = 0;
      sy = 0;
      tx = 3;
      ty = 4;
    }
  
    if (atoi(argv[1]) == 3) {
      n = 10;
      d = 7;
      sx = 4;
      sy = 4;
      tx = 5;
      ty = 5;
    }
  
    if (atoi(argv[1]) == 4) {
      n = 1;
      d = 1;
      sx = 0;
      sy = 0;
      tx = 0;
      ty = 0;
    }
  
    if (atoi(argv[1]) == 5) {
      n = 689;
      d = 731;
      sx = 249;
      sy = 97;
      tx = 599;
      ty = 237;
    }
  }

  retval = TheClass.minimalJumps(n, d, sx, sy, tx, ty);
  cout << retval << endl;

  exit(0);
}