#include #include #include #include #include #include #include #include #include #include //#include #include #include #include //#include #include #include //#include #include #include #include #include const int dx[] = {1, 0, -1, 0}; const int dy[] = {0, 1, 0, -1}; using namespace std; typedef long long ll; typedef vector vi; typedef vector vll; typedef pair pii; typedef complex C; int d; typedef string::const_iterator State; vector expression(State& begin); vector term(State& begin); void print(const vector& x) { for (int i = 0; i <= d; i++) { cout << x[i]; if (i != d) cout << " "; } cout << endl; } vector expression(State& begin) { vector ret(d+1); for (;;) { if (*begin == 'd') { begin++; begin++; auto x = expression(begin); for (int i = 1; i <= d; i++) ret[i-1] += x[i]*i; begin++; // } else if (*begin == '{') { // begin++; // auto x = expression(begin); // for (int i = 0; i <= d; i++) ret[i] += x[i]; // begin++; } else if (*begin == 'x' || isdigit(*begin)) { auto x = term(begin); for (int i = 0; i <= d; i++) ret[i] += x[i]; } else if (*begin == '+') { // cout << "before: "; // print(ret); begin++; auto x = expression(begin); for (int i = 0; i <= d; i++) ret[i] += x[i]; // cout << "after: "; // print(ret); } else break; } return ret; } vector term(State& begin) { ll c = 1; int degree = 0; for (;;) { if (*begin == 'x') degree++; else if (*begin == '*') {} else if (isdigit(*begin)) c *= (*begin-'0'); else break; begin++; } vector ret(d+1); ret[degree] += c; return ret; } int main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; cin >> d; string s; cin >> s; State begin = s.begin(); auto x = expression(begin); print(x); return 0; }