P23080 [AtCoder] Stones
NOI
题目描述

Problem Statement

There is a set A = ${ a_1, a_2, \ldots, a_N$ } consisting of N positive integers.
Taro and Jiro will play the following game against each other.
Initially, we have a pile consisting of K stones.
The two players perform the following operation alternately, starting from Taro:

  • Choose an element x in A, and remove exactly x stones from the pile.

A player loses when he becomes unable to play.
Assuming that both players play optimally, determine the winner.

Input

Input is given from Standard Input in the following format:
N K
$a_1 a_2 \ldots a_N$

Output

If Taro will win, print First; if Jiro will win, print Second.

Constraints

  • All values in input are integers.
  • $1 \leq N \leq 100$
  • $1 \leq K \leq 10^5$
  • $1 \leq a_1 < a_2 < \cdots < a_N \leq K$

Sample Input 1

2 4
2 3

Sample Output 1

First

If Taro removes three stones, Jiro cannot make a move.
Thus, Taro wins.

Sample Input 2

2 5
2 3

Sample Output 2

Second

Whatever Taro does in his operation, Jiro wins, as follows:

  • If Taro removes two stones, Jiro can remove three stones to make Taro unable to make a move.
  • If Taro removes three stones, Jiro can remove two stones to make Taro unable to make a move.

Sample Input 3

2 7
2 3

Sample Output 3

First

Taro should remove two stones. Then, whatever Jiro does in his operation, Taro wins, as follows:

  • If Jiro removes two stones, Taro can remove three stones to make Jiro unable to make a move.
  • If Jiro removes three stones, Taro can remove two stones to make Jiro unable to make a move.

Sample Input 4

3 20
1 2 3

Sample Output 4

Second

Sample Input 5

3 21
1 2 3

Sample Output 5

First

Sample Input 6

1 100000
1

Sample Output 6

Second

输入格式

见题面 Input 部分

输出格式

见题面 Output 部分

样例输入
2 4 2 3
样例输出
First