N, K = map(int, input().split())
A = [int(a) for a in input().split()]
X = [0] * (N+K+1000) # 後手必勝のところが1

X[K] = 1
for i in range(K)[::-1]:
    for a in A:
        if X[i+a] == 1:
            break
    else:
        X[i] = 1
        
print(["First", "Second"][X[0]])
