// Dabananda Mitra, CSE (2019-20), ISTT.

// Email: imdmitra@outlook.com

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

typedef vector<int> vi;

#define TLE ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

void Solution(int t = 0) {

// start coding from here

string s, remix = "WUB", new_string = "";

cin >> s;

bool flag = false;

for (int i = 0; i < s.length(); i++) {

if (s[i] == 'W' && s[i + 1] == 'U' && s[i + 2] == 'B') {

i += 2;

flag = true;

} else {

if (flag && new_string.length() != 0) {

new_string += ' ';

new_string += s[i];

} else {

new_string += s[i];

}

flag = false;

}

}

cout << new_string << "\n";

}

int main() {

TLE;

Solution();

return 0;

}