#include <iostream>
#include <fstream>
#include <string>
#include<string.h>
using namespace std;
struct cuvinte{
char *cuvant;
int numar;
};

int main()
{
cuvinte multime[100];
ifstream f;
f.open("input.txt");
string str;
while(getline(f,str))
{
    char * cuvant = new char[str.size() + 1];
    char * abc = new char[str.size() + 1];
    copy(str.begin(), str.end(), abc);
    cuvant = strtok (abc,"     ,/_");
    while(cuvant!=NULL)
    {
    for(int i=0;i<10;i++)
    {
        cout<<cuvant;
        if(strcmp(cuvant,multime[i].cuvant)==0)
            multime[i].numar++;
            else
            {for(int j=0;j<10;j++)
            if(multime[j].numar==0)
                {multime[j].cuvant=cuvant;
                    multime[j].numar=1;
                }
            }
    }
    cuvant = strtok ( NULL , "    ");
    }
}

return 0;
}