#include <iostream>
#include <algorithm>
 
using namespace std;
 
std::string Trimed(const std::string& s)
{
	std::string::const_iterator begin = std::find_if(s.begin(),
												 s.end(),
												 [](char ch) { return !std::isspace(ch); });
 
	std::string::const_iterator   end = std::find_if(s.rbegin(),
												 s.rend(),
												 [](char ch) { return !std::isspace(ch); }).base();
	return std::string(begin, end);
}
 
int main() {
	string line;
 
	while (getline(cin, line))
	{
		cout << Trimed(line) << "!" << endl;
	}
	return 0;
}
 

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CiBTcGFjZUF0RnJvbnQKU3BhY2VBdEVuZAogU3BhY2VBdEJvdGhFbmRzIApTcGFjZSBpbiB0aGUgbWlkbGUKIFNwYWNlIGV2ZXJ5d2hlcmUg

 SpaceAtFront
SpaceAtEnd
 SpaceAtBothEnds 
Space in the midle
 Space everywhere