#include <stdio.h>

#include <string.h>

#include <algorithm>

using namespace std;

bool cmp(char a[],char b[]){

    return ( strcmp(a,b)> );

}

int main(){

    char str[];

    char *res[];

    int i,cnt,l;

    int RES;

    int sign;

    while(NULL!=gets(str)){

        cnt=;

        l=strlen(str);

        if( strcmp(str,"#")== ) break;

        strcat(str," ");

        sign=;

        for(i=l-;i>=;--i){

            if(sign==&&str[i]!=' '&&str[i+]==' '){

                str[i+]='\0';

                sign=;

            }

            if(sign==){

                if(i==&&str[i]!=' '){

                    res[cnt]=&str[i];

                    sign=;

                    cnt++;

                }

                if(str[i]!=' ') continue;

                if(str[i]==' '){

                    res[cnt]=&str[i+];

                    sign=;

                    cnt++;

                }

            }

        }

        sort(res,res+cnt,cmp);

        RES=;

        RES=RES<cnt?RES:cnt;

        for(i=;i<cnt;++i){

            if( strcmp(res[i],res[i-])==  ) continue;

            else RES++;

        }

        printf("%d\n",RES);

    }

    return ;

}