#include <stdio.h>
#include <string.h>
 
int main()
{
    int len, i, j,c=0;
    char txt[202], word[5002][202], temp[202];
    while(scanf("%s",&txt)!=EOF)
    {
        len=strlen(txt);
        j=0;
        for(i=0;i<len;i++)
        {
            if(txt[i]>='a' && txt[i]<='z')
                temp[j++]=txt[i];
            else if(txt[i]>='A' && txt[i]<='Z')
                temp[j++]=txt[i]-'A'+'a';
        }
        temp[j]='\0';
        if(strlen(temp)>0)
        {
            strcpy(word[c], temp);
            c++;
        }
    }
    for(i=0;i<c;i++)
    {
        for(j=0;j<c-1;j++)
        {
            if(strcmp(word[j], word[j+1])>0)
            {
                strcpy(temp, word[j]);
                strcpy(word[j], word[j+1]);
                strcpy(word[j+1], temp);
 
            }
        }
    }
    for(i=0;i<c;i++)
        puts(word[i]);
    return 0;
}

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

QWR2ZW50dXJlcyBpbiBEaXNuZXlsYW5kCgpUd28gYmxvbmRlcyB3ZXJlIGdvaW5nIHRvIERpc25leWxhbmQgd2hlbiB0aGV5IGNhbWUgdG8gYSBmb3JrIGluIHRoZQpyb2FkLiBUaGUgc2lnbiByZWFkOiAmcXVvdDtEaXNuZXlsYW5kIExlZnQuJnF1b3Q7CgpTbyB0aGV5IHdlbnQgaG9tZS4=

Adventures in Disneyland

Two blondes were going to Disneyland when they came to a fork in the
road. The sign read: "Disneyland Left."

So they went home.