public class Solution {
    public static void main(String[] args) throws Exception {
        //напишите тут ваш код
        BufferedReader reader= new BufferedReader(new InputStreamReader(System.in));
                int chisla[]= new int [20];
             for(int i=0;i<chisla.length;i++)
        {
            chisla[i]=Integer.parseInt(reader.readLine());
        }
            int chisla1 []=new int[10];
            for(int i=0;i<chisla.length/2;i++){

        }
            int chisla2[]= new int [10];
            for(int i=10;i<chisla.length/2;i++){
            System.out.println(chisla2[i]);
        }
    }
}