#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
  using A = array<ll, 3>;
  A a, s;
  for (int i = 0; i < 3; ++i) cin >> a[i];
  s = a;
  sort(s.begin(), s.end());
  cout << "First" << endl;
  ll mov = s[2];
  cout << mov << endl;
  int x;
  cin >> x;
  if (!x) return 0;
  a[x - 1] += mov;
  s = a;
  sort(s.begin(), s.end());
  mov = s[2] - s[0] + s[2] - s[1];
  cout << mov << endl;
  cin >> x;
  if (!x) return 0;
  a[x - 1] += mov;
  s = a;
  sort(s.begin(), s.end());
  mov = s[2] - s[1];
  cout << mov << endl;
}
