//test return 2604
/* fails when gradetests on my machine (infloop's)
 * passes when sending to their machine (returns 2604)
 */

int r1(int x);
int r2(int y, int z);
int r3(int w);

int r1(int x) {
  if (x < 0) {
    return 0;
  } else {
    return 1 + r2(r1(x-1), x-1);
  }
}

int main() {
  return r1(40);
}

int r3(int w) {
  if (w < -1000) return 123;
  return r2(r1(w-1),r2(r3(w-1),w-1)) + r3(w-100);
}

int r2(int y, int z) {
  if (y < 0 || z < -10) {
    return 115;
  } else {
    return 123 + r1(z-1);
  }
}