#include <bits/stdc++.h>
using namespace std;

#define loop(i,b,e) for(int i=b;i<=e;i++)
#define reloop(i,e,b) for(int i=e;i>=b;i--)
#define all(x) x.begin(),x.end()
#define ll long long
#define pb push_back
#define fi first
#define se second
#define pf printf
#define sf scanf

int p(int n) {
   loop(i,1,n) {
      if((int)pow(2,i) == n)
         return i;
   }
}

int n,a,b;

int main() {
   sf("%d%d%d",&n,&a,&b);

   if(abs(a-b) >= p(n))
      pf("Final!");
   else
      pf("%d",abs(a-b));
}