208A.cpp

#include <bits/stdc++.h>
#define ull unsigned long long
#define ll long long
#define init                          \
    ios_base::sync_with_stdio(false); \
    cin.tie(NULL);                    \
    cout.tie(NULL);
#define fori(i, a, b) for (ll i = a; i <= (ll)b; i++)
using namespace std;
int main()
{
    init;
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    string s;
    int flag = 0;
    cin >> s;
    for (int i = 0; i < s.size(); i++)
    {
        if (s[i] == 'W' && s[i + 1] == 'U' && s[i + 2] == 'B')
        {
            i += 2;
            flag = 1;
        }
        else if (flag)
        {
            cout << " " << s[i];
            flag = 0;
        }
        else
            cout << s[i];
    }
    return 0;
}