#include using namespace std; #define REP(i, n) for(int i = 0; i < (n); i++) #define REPS(i, n) for(int i = 1; i <= (n); i++) #define RREP(i, n) for(int i = (n)-1; i >= 0; i--) #define RREPS(i, n) for(int i = (n); i > 0; i--) #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) #define mp make_pair #define mt make_tuple #define pb push_back using ll = long long; using pi = pair; using pl = pair; using vi = vector; using vl = vector; using vs = vector; using vvi = vector; const int MOD = 1e9 + 7; const int INF = 1e9 + 7; template bool chmax(T &a, const T &b) { if(a < b) { a = b; return true; } return false; } template bool chmin(T &a, const T &b) { if(a > b) { a = b; return true; } return false; } int dp[55][100010]; // dp[i][j] := i番目の数までを見たときにjが作れる int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(10); int N, Total; cin >> N >> Total; vi A(N); REP(i, N) cin >> A[i]; dp[0][A[0]] = 1; for(int i = 1; i < N; i++) { for(int j = 0; j <= Total; j++) { if(dp[i-1][j] != 0) { if(j+A[i] <= Total) dp[i][j+A[i]] = 2; if(j*A[i] <= Total && dp[i][j*A[i]] == 0) dp[i][j*A[i]] = 3; } } } vector ans; int s = N-1, t = Total; while(dp[s][t] != 1) { if(dp[s][t] == 2) { ans.pb('+'); t -= A[s]; s--; } else { ans.pb('*'); t /= A[s]; s--; } } RREP(i, (int)ans.size()) cout << ans[i]; cout << endl; }