#include <bits/stdc++.h>

#define rep(i,n) for(int i=0;i<(n);i++)

using namespace std;

int main(){
	int n,total; scanf("%d%d",&n,&total);
	vector<int> a(n);
	rep(i,n) scanf("%d",&a[i]);

	static char dp[50][100001];
	rep(i,n) rep(x,total+1) dp[i][x]='x';
	dp[0][a[0]]='o';
	rep(i,n-1){
		rep(x,total+1) if(dp[i][x]!='x') if(x*a[i+1]<=total) dp[i+1][x*a[i+1]]='*';
		rep(x,total+1) if(dp[i][x]!='x') if(x+a[i+1]<=total) dp[i+1][x+a[i+1]]='+';
	}

	string ans;
	int res=total;
	for(int i=n-1;i>0;i--){
		char c=dp[i][res];
		ans+=c;
		if(c=='+') res-=a[i];
		else       res/=a[i];
	}
	reverse(ans.begin(),ans.end());
	puts(ans.c_str());

	return 0;
}