#include <bits/stdc++.h>   using namespace std;   int main() {     long long i, j, k, l, a, v, b, n, m;     string s;     while (cin >> s) {       k = 0;       j = 0;       l = s.size();       for (i = 0; i < l; i++) {         if (s[i] ==  W  && s[i + 1] ==  U  && s[i + 2] ==  B ) {           i = i + 2;           if (k > 0) {             if (j == 1) cout <<    ;             j = 0;           }         } else {           cout << s[i];           j = 1;         }         k = 1;       }     }   }   