# include <iostream> # include <cstring> # include <algorithm> using namespace std ; string a [1145] ; int main ( ) { int n ; cin >> n ; for ( int i = 1 ; i <= n ; i ++ ) { cin >> a [i] ; } sort ( a + 1 , a + n + 1 ) ; for ( int i = 1 ; i <= n ; i ++ ) { if ( a [i] != a [i + 1] ) { cout << a [i] << endl ; } } return 0 ; }