#include <bits/stdc++.h>
using namespace std;
int main() {
  long long a[3];
  cin >> a[0] >> a[1] >> a[2];
  cout << "First" << endl;
  cout << (long long)1e10 << endl;
  int zh;
  cin >> zh;
  a[zh - 1] += 1e10;
  cout << (long long)(3 * a[zh - 1] - a[0] - a[1] - a[2]) << endl;
  int yb;
  cin >> yb;
  a[yb - 1] += 3 * a[zh - 1] - a[0] - a[1] - a[2];
  sort(a, a + 3);
  cout << a[1] - a[0] << endl;
  return 0;
}
