#include using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() template inline bool chmax(A &a, B b) { if (a inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; } typedef unsigned long long ull; typedef long long ll; typedef pair pii; typedef pair pll; const ll INF = 1ll<<29; const ll MOD = 1000000007; const double EPS = 1e-10; int main() { string s; cin >> s; vector ans[101]; int pos = 0; while (pos < s.size()) { string now = u8""; while (pos < s.size() && s.substr(pos, 2) != u8"w") { now += s.substr(pos, 2); pos += 2; } int cnt = 0; while (pos < s.size() && s.substr(pos, 2) == u8"w") cnt++, pos += 2; if (now != u8"") ans[cnt].push_back(now); } int mac = 0; REP(i, 101) if (ans[i].size() > 0) mac = i; if (mac == 0) puts(""); else REP(i, ans[mac].size()) cout << ans[mac][i].substr(0, ans[mac][i].size()) << endl; return 0; }