include [HTML_REMOVED]
include [HTML_REMOVED]
using namespace std;
int main()
{
string s;
string out ;
int len=1;
while(cin >> s)
{
if(s[s.size()-1]==’.’) s.erase(s.size()-1);
if(s.size()>len)
{
out=s;
len=s.size();
}
}
cout << out;
return 0;
}