#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX 50

void ssort(char **niz,int n);

int main(){
	int n,i;
	char **niz;
	scanf("%d",&n);
	niz=(char**)malloc(n*sizeof(char*));
	if(niz==NULL)
		exit(EXIT_FAILURE);
	for(i=0;i<n;i++){
		niz[i]=(char*)malloc(sizeof(char)*MAX);
		if(niz[i]==NULL)
			exit(EXIT_FAILURE);
	}
	for (i=0;i<n;i++)
		scanf("%s",niz[i]);
	ssort(niz,n);
	for (i=0;i<n;i++)
		printf("%s\n",niz[i]);
	for(i=0;i<n;i++)
		free(niz[i]);
	free(niz);
}

void ssort(char **niz,int n){
	int i,j;
	char *tmp;
	for (i=0;i<n;i++)
		for(j=i+1;j<n;j++)
			if (strlen(niz[i])>strlen(niz[j])){
				tmp=niz[i];
				niz[i]=niz[j];
				niz[j]=tmp;
			}
}