#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  long long a, b, c;
  cin >> a >> b >> c;
  long long ma = max(a, max(b, c));
  long long mi = min(a, min(b, c));
  long long mid = a + b + c - ma - mi;
  long long out = ma - mi;
  cout << "First" << endl;
  cout << out << endl;
  long long input = 0;
  cin >> input;
  switch (input) {
    case 1:
      a += out;
      break;
    case 2:
      b += out;
      break;
    case 3:
      c += out;
      break;
    default:
      return 0;
  }
  ma = max(a, max(b, c));
  mi = min(a, min(b, c));
  mid = a + b + c - ma - mi;
  out = ma - mid + ma - mi;
  cout << out << endl;
  cin >> input;
  switch (input) {
    case 1:
      a += out;
      break;
    case 2:
      b += out;
      break;
    case 3:
      c += out;
      break;
    default:
      return 0;
  }
  ma = max(a, max(b, c));
  mi = min(a, min(b, c));
  mid = a + b + c - ma - mi;
  out = ma - mid;
  cout << out << endl;
  cin >> input;
  return 0;
}
