#include <bits/stdc++.h>
int main() {
  int n, a, b, i, j, t, a2, b2;
  scanf("%d %d %d", &n, &a, &b);
  for (j = 0; n > 1; j++) n /= 2;
  t = 0;
  a2 = b2 = 0;
  while (a2 == b2 && a2 != 1) {
    a2 = b2 = 0;
    a -= (t / 4);
    b -= (t / 4);
    t = 2;
    for (i = 1; !a2 || !b2; i++) {
      if (a <= t && !a2) a2 = i;
      if (b <= t && !b2) b2 = i;
      t *= 2;
    }
  }
  if (a2 > b2)
    b2 = 1;
  else if (b2 > a2)
    a2 = 1;
  if (abs(a2 - b2) + 1 == j)
    printf("Final!\n");
  else
    printf("%d\n", abs(a2 - b2) + 1);
  return 0;
}
