#include <cstdio>
#include <cstring>

using int64 = long long;

const int N = 51, S = 1e5 + 10;

int64 dp[N][S];
int a[N];

int main() {
  memset(dp, -1, sizeof(dp));
  int n, m;
  scanf("%d%d", &n, &m);
  for (int i = 0; i < n; ++i) {
    scanf("%d", &a[i]);
  }
  auto update = [&](int64 &x, int64 y) {
    if (x == -1 || x > y) x = y;
  };
  dp[0][0] = 0;
  for (int i = 0; i < n; ++i) {
    for (int j = 0; j <= m; ++j) if (dp[i][j] != -1) {
      if (j + a[i] <= m) update(dp[i + 1][j + a[i]], dp[i][j]);
      if (j * a[i] <= m) update(dp[i + 1][j * a[i]], dp[i][j] | (1ll << (n - i)));
    }
  }
  for (int i = n - 1; i > 0; --i) {
    if (dp[n][m] >> i & 1) putchar('*');
    else putchar('+');
  }
  puts("");
  return 0;
}