import std.stdio;
import std.array;
import std.string;
import std.conv;
import std.algorithm;
import std.typecons;
import std.range;
import std.random;
import std.math;
import std.container;

void main() {
  auto N = readln.chomp.to!int;
  auto T = readln.chomp.to!int;
  auto A = readln.split.map!(to!int).array;

  auto dp = new char[][](N, T+1);
  dp[0][A[0]] = '+';
  foreach (i; iota(N-1))
    foreach (j; iota(T+1)) {
      if (dp[i][j] != char.init) {
        if (j * A[i+1] <= T && dp[i+1][j*A[i+1]] == 0xFF)
          dp[i+1][j*A[i+1]] = '*';
        if (j + A[i+1] <= T)
          dp[i+1][j+A[i+1]] = '+';
      }
    }

  string ans = "";
  foreach (i; iota(N-1, 0, -1)) {
    ans = dp[i][T] ~ ans;
    if (dp[i][T] == '*')
      T /= A[i];
    else
      T -= A[i];
  }
  writeln(ans);
}