#include<bits/stdc++.h>
using namespace std;
int n,t,a[60];
int dp[60][100010];
int main() {
    cin>>n>>t;
    for (int i=1;i<=n;++i) cin>>a[i];
    dp[n+1][t]=1;
    for (int i=n;i>=1;--i)
        for (int j=0;j<=t+1;++j) {
            if (j+a[i]<=t&&dp[i+1][j+a[i]]) dp[i][j]=1;
            if (j*a[i]<=t&&dp[i+1][j*a[i]]) dp[i][j]=1;
        }
    int x=a[1];
    for (int i=2;i<=n;++i) {
        if (x+a[i]<=t&&dp[i+1][x+a[i]]) {
            putchar('+'); x+=a[i]; continue;
        }
        if (x*a[i]<=t&&dp[i+1][x*a[i]]) {
            putchar('*'); x*=a[i]; continue;
        }
    }
    putchar('\n');
    return 0;
}