#include <bits/stdc++.h>
using namespace std;
const int MAX = 500010;
const int INF = 0x3f3f3f3f;
int a, b, n, sum;
int main() {
  scanf("%d %d %d", &n, &a, &b);
  while (a != b) {
    a = a + 1 >> 1;
    b = b + 1 >> 1;
    sum++;
  }
  if (1 << sum == n)
    printf("Final!");
  else
    printf("%d", sum);
  return 0;
}
