#include <cctype>
#include <cstdio>
#include <vector>
#include <string>
#include <iostream>
using namespace std ;
 
int main()
{
 int t , len ;
 int i ;
 string str ;
 string res ;
 
 cin >> t ;
 
 while( t-- ){
        getline ( cin , str );
        res = "" ;
        len = str.size() ;
        for ( i = 0 ; i < len ; i++ ){
            if ( isalpha(str[i]) && ( i == 0 || str[i-1] == ' ' ) ){
               res.append(1,str[i]);
            }
        }
        res.append(1,'\0');
        cout << res << endl ;
 }
 
 return 0;
}

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