N,K=map(int,input().split())
ans=0
A=list(map(int,input().split()))
#bitdp (2**N N)
dp=[0 for i in range(2**N)]
#dp["0010101101"] := ex).A_2,,,,,,A_8を並び替えたときの考えうる最もいい最大値
dp[0]=K
for i in range(1,2**N):
    x=format(i,"0%ib"%N)[::-1]
    for j in range(N):
        if x[j]=="1":
            dp[i]=max(dp[i],dp[i-2**j]%A[j])
ans=dp[-1]
print(ans)