import java.util.Scanner;
import java.util.Arrays;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
sc.nextLine();
String[] str = new String[n];
for(int i = 0;i<n;i++){
str[i] = sc.nextLine();
}
Arrays.sort(str);
for(int i = 0;i<n;i++){
System.out.println(str[i]);
}
}
}



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