// #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include using namespace std; using namespace atcoder; using mint = modint998244353; // using mint = modint1000000007; using ll = long long; using ull = unsigned long long; using ld = long double; using pii = pair; using pll = pair; using T = tuple; using G = vector>; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rep2(i, a, b) for (ll i = a; i < (b); ++i) #define rrep2(i, a, b) for (ll i = a-1; i >= (b); --i) #define rep3(i, a, b, c) for (ll i = a; i < (b); i+=c) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define popcount __builtin_popcount #define popcountll __builtin_popcountll #define fi first #define se second #define UNIQUE(v) sort(rng(v)), v.erase(unique(rng(v)), v.end()) #define MIN(v) *min_element(rng(v)) #define MAX(v) *max_element(rng(v)) template bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;} template bool chmax(T &a,T b){if(a void printv(vector &v){rep(i,v.size())cout< void printvv(vector> &v){rep(i,v.size())rep(j,v[i].size())cout<> n >> tot; vector a(n); rep(i, n) cin >> a[i]; vector dp(n, vector(tot+1, 0)); dp[0][a[0]] = 1; rep2(i, 1, n){ rep(j, tot+1){ if (j+a[i] <= tot) dp[i][j+a[i]] += dp[i-1][j]; if (j*a[i] <= tot) dp[i][j*a[i]] += dp[i-1][j]; dp[i][j] += dp[i-1][j]; } } string ans; bool flag = false; auto f = [&](auto f, int now, int num, string res="") -> void{ if (now == 0){ reverse(rng(res)); if (!flag){ ans = res; flag = true; return; } chmax(ans, res); return; } if (num-a[now] >= 0 && dp[now-1][num-a[now]]) f(f, now-1, num-a[now], res+'+'); if (num%a[now] == 0 && dp[now-1][num/a[now]]) f(f, now-1, num/a[now], res+'*'); }; f(f, n-1, tot); cout << ans << endl; return 0; }