#include <bits/stdc++.h>
using namespace std;
void shikhar7s(long long int cas) {
  long long int a, b, c, x;
  pair<long long int, long long int> d[3];
  cin >> d[0].first >> d[1].first >> d[2].first;
  d[0].second = 0;
  d[1].second = 1;
  d[2].second = 2;
  sort(d, d + 3);
  map<long long int, long long int> m;
  for (x = 0; x < 3; x++) {
    m[(d[x].second) + 1] = x + 1;
  }
  a = d[0].first;
  b = d[1].first;
  c = d[2].first;
  cout << "First"
       << "\n";
  cout << c - a + c - b << "\n";
  cin >> x;
  x = m[x];
  if (x == 3) {
    c = (3 * c) - a - b;
    cout << c - a + c - b << "\n";
    cin >> x;
    x = m[x];
  }
  if (x == 1) {
    cout << c - b << "\n";
    cin >> x;
  } else {
    cout << c - a << "\n";
    cin >> x;
  }
}
signed main() {
  std::ios_base::sync_with_stdio(false);
  ;
  long long int t = 1;
  long long int cas = 1;
  while (cas <= t) {
    shikhar7s(cas);
    cas++;
  }
  return 0;
}
