#include <stdio.h>
#include <limits.h>
#define LEN 50
long long a[LEN] ;
int cnt;

bool search(long long x)
{
	int s = 1 , e = cnt ;
	while(s<=e)
	{
		int mid = (s+e)>>1 ;
		if(x>a[mid])
		{
			s = mid + 1 ;
		}
		else if(x<a[mid])
		{
			e = mid - 1 ;
		}
		else
		{
			return true ;
		}
	}
	return false ;
}

int main()
{
	long long n ;
	a[1] = 1 , a[2] = 2 ;
	for(int i = 3; i < LEN ; ++i)
	{
		if(a[i-1]+a[i-2] > INT_MAX)
		{
			cnt = i-1 ;
			break ;
		}
		a[i] = a[i-1]+a[i-2] ;
	}
	while(~scanf("%I64d",&n) && n)
	{
		int flag = search(n) ;
		if(flag)
		{
			puts("Second win") ;
		}
		else
		{
			puts("First win") ;
		}
	}
	return 0 ;
}