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;
int main() {
  int n, m, h, k;
  scanf("%d%d%d%d", &n, &m, &h, &k);
  while (n > 0 && m > 0) {
    n -= h;
    if (k > h)
      m -= h - 1;
    else
      m -= k;
  }
  if (n != 0)
    printf("First\n");
  else
    printf("Second\n");
  return 0;
}
