N = int(input())
Total = int(input())
A = list(map(int,input().split()))
DP = [[0] * (Total+1) for _ in range(N)]
DP[-1][-1] = 1
for i in range(N-1,-1,-1):
    for j in range(Total+1):
        if 0 <= j - A[i]:
            DP[i-1][j-A[i]] |= DP[i][j]
        if j % A[i] == 0:
            DP[i-1][j//A[i]] |= DP[i][j]
ans = ''
S = A[0]
for i in range(1,N):
    if S + A[i] <= Total and DP[i][S+A[i]]:
        ans += '+'
        S += A[i]
    else:
        ans += '*'
        S *= A[i]
print(ans)