#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main()
{
    int i,n,j,m,p,k,v[2000],ok=0,x,o,z=0;
    char *cuvinte,**cuvant,*temp,cuvant2[10000][100],tmp[30000],cuvant3[10000][100];
    cuvinte=(char*)malloc(40000*sizeof(char));
    FILE * f=fopen("convertor.in","r");
    fgetc(f);
    fgets(cuvinte,5028,f);
    fclose(f);
    cuvant=(char**)malloc(10000*sizeof(char*));
    for(i=0;i<10000;i++)
        cuvant[i]=(char*)malloc(50*sizeof(char));
    temp=(char*)malloc(10000*sizeof(char));
    temp=strtok(cuvinte," }:][{,");
    i=0;
    while(temp!=NULL)
    {
        cuvant[i]=temp;
        temp=strtok(NULL, " }:][{,");
        i++;
    }
    n=i;
    for(i=0;i<n;i++)
    {
       if(i==0)
        strcpy(tmp,cuvant[i]);
       else
       {
           strcat(tmp," ");
           strcat(tmp,cuvant[i]);
       }
    }
    m=0;
    for(i=0;i<strlen(tmp);i++)
    {
        if(tmp[i]==34)
        {
            v[m]=i;
            m++;
        }
    }
    for(i=0;i<100;i++)
        strcpy(cuvant2[i]," ");
    k=-1;p=0;o=0;
    for(i=0;i<m;i+=2)
    {
        for(j=v[i]+1;j<v[i+1];j++)
        {
                cuvant2[p][++k]=tmp[j];
                if(j==v[i+1]-1)
                    cuvant2[p][k+1]='\0';
        }
        if(v[i+2]-v[i+1]!=2)
        {
            for(x=v[i+1]+2;x<v[i+2]-1;x++)
            {
                cuvant2[p+1][o]=tmp[x];
                o++;
                ok=1;
                if(x==v[i+2]-3)
                    cuvant2[p+1][o+1]='\0';
            }
        }
        if(ok==0)
            p++;
        if(ok==1)
        {
            p+=2;
            ok=0;
            o=0;
        }
        k=-1;
    }
    ok=0;k=0;z=0;
    for(i=0;i<p;i++)
    {
        for(j=i;j<p;j++)
        {
            if(strcmp(cuvant2[i],cuvant2[j])==0)
                ok++;
        }
        if(ok>1)
        {
            for(m=0;m<k;m++)
            {
                if(strcmp(cuvant2[i],cuvant3[m])==0)
                    z++;
            }
            if(z==0)
            {
                strcpy(cuvant3[k],cuvant2[i]);
                k++;
            }
            z=0;
        }
        ok=0;
    }
    ok=0;
    for(i=0;i<p;i++)
    {
        for(j=0;j<k;j++)
        {
            if(strcmp(cuvant2[i],cuvant3[j])==0)
            {
                ok++;
            }
        }
        if(ok==0)
        {
            strcpy(cuvant3[k],cuvant2[i]);
            k++;
        }
        ok=0;
    }
    FILE * fa=fopen("convertor.out","w");
    for(i=0;i<k;i++)
    {
        fprintf(fa,"%s,",cuvant3[i]);
    }
    return 0;
}