208A

#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#define Maxsize 210
int main()
{
	char sentence[Maxsize];
	char wub[4]={‘W‘, ‘U‘, ‘B‘};
	scanf("%s", sentence);
	int length=strlen(sentence);
	int i;
	int j;
	int ind=0;
	bool first=true;
	bool done=false;
	for(i=0; i<length; )
	{
		if(sentence[i]==wub[ind])
		{
			++i;
			++ind;
		}
		else
		{
			if(ind==0)
				++i;
			ind=0;
		}
		if(ind==3)
		{
			ind=0;
			sentence[i-1]=sentence[i-2]=sentence[i-3]=‘.‘;
		}
	}
	for(i=0; i<length; ++i)
	{
		if(sentence[i]==‘.‘)
			done=true;
		else
		{
			if((!first)&&(done))
				printf(" ");
			printf("%c", sentence[i]);
			first=false;
			done=false;
		}
	}
	printf("\n");
	return 0;
}