CF_208A

// Codeforces Round 208A
#include <string>
#include <cstring>
#include <iostream>
using namespace std;
int main()
{
    int len;
    string s;
    char mass[201], nmass[201];
    cin >> s;
    len = s.length();
    strcpy(mass, s.c_str());
    int z = 0, check = 0;
    for(int i = 0; i < len; i++)
    {
        if(mass[i]=='W' && mass[i+1]=='U' && mass[i+2]=='B')
        {
            if(check==1){check=0;nmass[z]=' ';z++;}
            i+=2;
        }
        else
        {
            nmass[z] = mass[i];
            z++;
            check=1;
        }
    }
    for(int i = 0; i < z; i++)
    {
        cout << nmass[i];
    }
    return 0;
}