#include <iostream>
#include <string>
#include <sstream>
using namespace std;

int main()
{
	string word;
	string line;
	while (getline(cin,line)) 
	{
		istringstream istr(line);
         while(istr>>word)
		           cout<<word<<"#";
		 cout<<endl;
	}
	return 0;
}

注释：上述的两个操作，相当于在输入流中加入了eof操作