Codeforces Round #130 (Div. 2), problem: (A) Dubstep solution

Codeforces Round #130 (Div. 2), problem: (A) Dubstep: http://codeforces.com/problemset/problem/208/A

Codeforces Round #130 (Div. 2), problem: (A) Dubstep editorial: http://codeforces.com/blog/entry/4930

Codeforces Round #130 (Div. 2), problem: (A) Dubstep solution: http://ideone.com/KjXnMM

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;

int main() {
    int flag=0;
    char s[205];
    string a="";
    scanf("%s", s);
    for(int i=0; i<strlen(s);) {
        if(s[i]=='W' && s[i+1]=='U' && s[i+2]=='B') {
            if(flag==0) a+=' ', i+=3, flag=1;
            else i+=3;
        }
        else a+=s[i], i++, flag=0;
    }
    cout<<a;
    return 0;
}