// yukicoder: 10 ＋か×か
// 2021.8.13

#include <stdio.h>

typedef long long ll;
#define gc() getchar_unlocked()
#define pc(c) putchar_unlocked(c)

int in() {   // 非負整数の入力
	int n = 0, c = gc();
	do n = 10 * n + (c & 0xf); while ((c = gc()) >= '0');
	return n;
}

ll dp[55][100005];  // +or*
void chmin(ll *a, ll b) { if (*a == 0 || *a > b) *a = b; }
int max(int a, int b) { return a >= b? a: b; }

int main()
{
	int i, j, ma, A;

	int N = in(), total = in();
	A = in(), dp[0][A] = 1, ma = A;
	for (i = 1; i < N; ++i) {
		A = in();
		for (j = ma; j >= 0; --j) if (dp[i-1][j]) {
			int t;
			t = j*A; if (t <= total)
			chmin(&dp[i][t], (dp[i-1][j]<<1)|1);
			t = j+A; if (t <= total)
			chmin(&dp[i][t], dp[i-1][j]<<1);
		}
		ma = max(ma*A, ma+A); if (ma > total) ma = total;
	}
	for (i = N-2; i >= 0; --i) pc((dp[N-1][total]>>i) & 1? '*': '+');
	pc('\n');
	return 0;
}