#include <stdio.h>
#define MAX 100
int main(void);
/**********************/

int main(void)
{
     int search;
     int ara[MAX]={10,1,15,20,12,1,2,9,11};
     int ctr;
     int num=10;

     scanf(" %d", &search);
     do
      {
            if(search==-1){ break;}
            for(ctr=0;ctr<num;ctr++)
               {
                   if(search==ara[ctr])
                     { printf("\nThis part is alerady in the massive!\n");
                       break;}
                   else { if(search==(num-1))
                            {
                                  ara[num]=search;
                                  num++;
                                  printf("\nThe part was added!\n");
                                  break;
                            }
                        }

        }while (search!=-1);

        return 0;
}