N = int(input())
T = int(input())
A = list(map(int, input().split()))
A.reverse()
dp = [[False]*(T+1) for _ in range(N)]
dp[0][T] = True

for i in range(N-1):
    for j in range(T+1):
        if j%A[i]==0:
            dp[i+1][j//A[i]] |= dp[i][j]
        
        if j-A[i]>=0:
            dp[i+1][j-A[i]] |= dp[i][j]
        
ans = []
now = A[-1]

for i in range(N-2, -1, -1):
    if now+A[i]<=T and dp[i][now+A[i]]:
        ans.append('+')
        now += A[i]
    else:
        ans.append('*')
        now *= A[i]
    
print(''.join(ans))