N = int(input())
total = int(input())
lsA = list(map(int,input().split()))
dp = [[False]*(total+1) for i in range(N+1)]
dp[N][total] = True
for i in range(N-1,-1,-1):
    k = lsA[i]
    for j in range(total+1):
        if j%k == 0:
            dp[i][j//k] = dp[i][j//k] or dp[i+1][j]
        if j-k >= 0:
            dp[i][j-k] = dp[i][j-k] or dp[i+1][j]
v = lsA[0]
ans = []
for i in range(2,N+1):
    if v+lsA[i-1] <= total and dp[i][v+lsA[i-1]]:
        ans.append('+')
        v += lsA[i-1]
    else:
        ans.append('*')
        v *= lsA[i-1]
print(*ans,sep='')