import sys

input = sys.stdin.readline


def main():
    N = int(input())
    Total = int(input())
    *A, = map(int, input().split())

    DP = [[None]*(Total+1) for i in range(N)]
    DP[0][A[0]] = ''

    for step in range(1, N):
        for i in range(Total+1):
            if DP[step-1][i] is not None:
                if i * A[step] <= Total:
                    if DP[step][i * A[step]] is None:
                        DP[step][i * A[step]] = DP[step-1][i] + '*'
                    else:
                        DP[step][i * A[step]
                                 ] = max(DP[step][i * A[step]], DP[step-1][i] + '*')
                if i + A[step] <= Total:
                    if DP[step][i + A[step]] is None:
                        DP[step][i + A[step]] = DP[step-1][i] + '+'
                    else:
                        DP[step][i + A[step]
                                 ] = max(DP[step][i + A[step]], DP[step-1][i] + '+')

    print(DP[-1][-1])


if __name__ == '__main__':
    main()