50 50 50 50
 49 49 4 1
 48 50 12 11
 5 7 1 10
 1 50 50 50
 5 7 1 4
 32 4 17 3
 1 50 1 50
 50 1 1 1
 32 31 10 9
 5 7 4 1
 49 49 3 3
 50 49 1 2
 50 48 3 1
 50 1 1 50
 5 7 10 10
 1 1 1 1
 49 50 11 12

Second
 Second
 Second
 Second
 Second
 Second
 First
 Second
 First
 First
 Second
 Second
 First
 First
 First
 Second
 Second
 Second

#include <bits/stdc++.h>
using namespace std;
long n, m, i, j, a[100001];
int main() {
  long i, j;
  cin >> n >> m >> i >> j;
  long t = n / j;
  if (n % j) ++t;
  if (i * t < m)
    cout << "Second";
  else
    cout << "First";
  return 0;
}
