#include <iostream>
using namespace std;
int main() {
string s;
cin >> s;
int n = s.size();
// if (n==1 || n==2){
// cout << s;
// return 0;
// }
int k=0;
for (int i=0; i<n; ){
if(i==n-2 || i==n-1){
cout << s[i];
i++;
k++;
continue;
}
if(s[i] == 'W' && s[i+1] == 'U' && s[i+2] == 'B'){
i+=3;
if (!(s[i] == 'W' && s[i+1] == 'U' && s[i+2] == 'B') && k){
cout << " ";
}
} else {
cout << s[i];
i++;
k++;
}
}
// if (s[n-3] != 'W' || s[n-2] != 'U' || s[n-1] != 'B'){
// cout << s[n-2] << s[n-1];
}
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