#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll MOD = 1e9 + 7, N = 1e5 + 10;
int32_t main() {
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  ll a[3];
  cin >> a[0] >> a[1] >> a[2];
  cout << "First" << endl;
  vector<ll> b(3);
  iota(b.begin(), b.end(), 0);
  sort(b.begin(), b.end(), [&](ll u, ll v) { return a[u] < a[v]; });
  sort(a, a + 3);
  cout << 2 * a[2] - a[1] - a[0] << endl;
  ll x;
  cin >> x;
  --x;
  if (x == -1) return 0;
  if (x == b[0]) {
    cout << a[2] - a[1] << endl;
    cin >> x;
    return 0;
  } else if (x == b[1]) {
    cout << a[2] - a[0] << endl;
    cin >> x;
    return 0;
  }
  cout << 6 * a[2] - 3 * a[1] - 3 * a[0] << endl;
  cin >> x;
  --x;
  if (x == -1) return 0;
  if (x == b[0]) {
    cout << 3 * a[2] - a[0] - a[1] - a[1] << endl;
    cin >> x;
    return 0;
  }
  cout << 3 * a[2] - a[0] - a[1] - a[0] << endl;
  cin >> x;
  return 0;
}
