import java.util.Scanner;

public class PlusOrMult_2 {
	public static void main(String[] args) {
		PlusOrMult_2 p = new PlusOrMult_2();
	}

	public PlusOrMult_2() {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int total = sc.nextInt();
		int[] a = new int[n];
		for(int i=0;i<n;i++){
			a[i] = sc.nextInt();
		}
		
		solve(n, total, a);
	}

	boolean[][] memo;
	StringBuilder sb;
	public void solve(int n, int total, int[] a) {
		memo = new boolean[50+1][100000+1];
		sb =new StringBuilder();
		
		rec(1, total, a[0], a);
		System.out.println(sb.toString());
	}
	
	private boolean rec(int c, int total, int cur, int[] a){
		if(c >= a.length){
			if(cur==total)
				return true;
			else
				return false;
		}
		
		if(cur > total)
			return false;
		
		if(memo[c][cur])
			return false;
		
		boolean res = rec(c+1, total, cur+a[c], a);
		if(res){
			sb.insert(0, '+');
			return true;
		}
		
		res = rec(c+1, total, cur*a[c], a);
		if(res){
			sb.insert(0, '*');
			return true;
		}
		
		
		memo[c][cur] = true;
		return false;
		
		
	}
	
	
	

}