#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rep1(i,n) for(int i=1;i<=(int)(n);i++)
#define all(c) c.begin(),c.end()
#define pb push_back
#define fs first
#define sc second
#define show(x) cout << #x << " = " << x << endl
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
using namespace std;
typedef long long ll;
ll dp[51][100001],inf=1e18;
int main(){
	int N,T;
	cin>>N>>T;
	rep(i,N+1) rep(j,T+1) dp[i][j]=inf;
	int a;
	cin>>a;
	dp[0][a]=0;
	rep(i,N-1){
		cin>>a;
		rep(j,T+1){
			if(dp[i][j]==inf) continue;
			if(j+a<=T) chmin(dp[i+1][j+a],dp[i][j]*2);
			if(j*a<=T) chmin(dp[i+1][j*a],dp[i][j]*2+1);
		}
	}
	ll v=dp[N-1][T];
	string ans;
	rep(i,N-1){
		ans+=(v%2 ? '*' : '+');
		v/=2;
	}
	reverse(all(ans));
	cout<<ans<<endl;
}