#include <bits/stdc++.h>
const long long mod = 1e9 + 7, maxn = 1000010;
const double eps = 1e-8, PI = acos(-1.0);
const long long inf = 0x7f7f7f7f;
using namespace std;
long long a[maxn], b[maxn], v[maxn];
string s;
signed main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  cin >> a[1] >> a[2] >> a[3];
  cout << "First" << endl;
  long long mx = 0;
  for (register long long i = (1); i <= (3); ++i) mx = max(mx, a[i]);
  cout << mx << endl;
  long long x;
  cin >> x;
  a[x] += mx;
  long long sum = 0;
  for (register long long i = (1); i <= (3); ++i) sum += a[x] - a[i];
  cout << sum << endl;
  cin >> x;
  a[x] += sum;
  mx = inf;
  for (register long long i = (1); i <= (3); ++i)
    if (i != x) mx = min(a[x] - a[i], mx);
  cout << mx << endl;
  return 0;
}
