#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
typedef struct node{
    char message[101];
    struct node*next;
}node;
struct node*createnode(char* msg){
    struct node*newnode=(struct *node)malloc(sizeof(struct node));
    strcpy(newnode->message,msg);
    newnode->next=NULL;
    return newnode;
}
int containsdigit(char*str){
    for (int i=0;str[i];i++){
        if(isdigit((unsigned char)str[i])){
            return 1;
        }
    }
    return 0;
}
int main(){
    int n;
    if(scanf("%d",&n)!=1 | n<1 | n>1000){
        printf("Invalid input");
        return 0;
    }
    struct node*head=NULL,*tail=NULL;
    char msg[101];
    for (int i=0;i<n;i++){
        if (scanf("%s",msg)!=1){
            printf("Invalid input");
            return 0;
        }
        if(containsdigit(msg)){
            printf("'Invalid input");
            return 0;
        }
        struct node*newnode=createnode(msg);
        if (head==NULL){
            head=tail=newnode;
        }
        else{
            tail->next=newnode;
            tail=newnode;
        }
    }
    struct node*curr=head;
    while(curr!=NULL){
        printf("%s\n",curr->message);
        curr=curr->next;
    }
    return 0;
}