#define _CRT_SECURE_NO_WARNINGS
#include <string>
#include <algorithm>
#include <iostream>
#include<vector>
#include<map>
#include <stack>
#include <deque>
#include <cmath>
#include <queue>
#include <set>
#include<unordered_map>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector< int > vi;
#define Fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define endl '\n'
#define sz(s) (int)(s.size())
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(), s.rend()
#define exit(s) return cout<<s,0;
#define watch(x) cout << (#x) << " = " << x << endl
void file( ) {
#ifndef ONLINE_JUDGE
freopen ( "in.txt" , "r" , stdin ) ; freopen ( "out.txt" , "w" , stdout ) ;
#endif
}
int main( ) {
string s, x;
set< string> st;
while ( getline( cin , s) ) {
for ( int i = 0 ; i < sz( s) ; i++ )
{
if ( isalpha ( s[ i] ) || s[ i] == '-' )
{
if ( isalpha ( s[ i] ) )
s[ i] = tolower ( s[ i] ) ;
x + = s[ i] ;
}
else
{
if ( s[ i] == ' ' )
{
if ( x ! = "" && x ! = " " )
{
st.emplace ( x) ;
}
x = "" ;
}
else
{
x + = s[ i] ;
}
}
}
if ( x ! = "" && x ! = " " )
{
st.emplace ( x) ;
x = "" ;
}
}
auto it1 = st.end ( ) ;
it1-- ;
for ( auto it : st)
{
if ( isalpha ( it[ 0 ] ) )
cout << it << endl;
}
}
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stdin
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Adventures
in
Disneyland
Two blondes were going to Disney-land
when they came to a
fork in the road.
The sign read: "Disneyland Left."
So they went home.