use proconio::input;

fn main() {
    input! {
        n: usize,
        tot: usize,
        a: [usize; n]
    }
    let mut dp = vec![vec![false; tot + 1]; n + 1];
    dp[n][tot] = true;
    for i in (0..n).rev() {
        for j in 0..=tot {
            if j + a[i] <= tot && dp[i + 1][j + a[i]] {
                dp[i][j] = true;
            }
            if j * a[i] <= tot && dp[i + 1][j * a[i]] {
                dp[i][j] = true;
            }
        }
    }

    let mut cur = a[0];
    let mut ans: String = String::new();
    for i in 1..n {
        if cur + a[i] <= tot && dp[i + 1][cur + a[i]] {
            cur += a[i];
            ans.push('+');
        }else {
            cur *= a[i];
            ans.push('*');
        }
    }
    println!("{}", ans);
}