#include<bits/stdc++.h>
using namespace std;
int main()
{   string s;  
    cin>>s;
    int len=s.length();
    if(s[0]==s[len-1])
        if(len%2==1)printf("Second\n");
      else printf("First\n");
    else
        if(len%2==1)printf("First\n");
       else printf("Second\n");
}