N = int(input())
total = int(input())
A = list(map(int,input().split()))
stack = [(N-1,total,"")]
while stack:
    i,v,s = stack.pop()
    if i == 0:
        if v == A[i]:
            print(s)
            break
        continue
    if v % A[i] == 0:
        stack.append((i-1,v//A[i],s+"*"))
    if A[i] <= v:
        stack.append((i-1,v-A[i],s+"+"))