#include<stdio.h>

int main() 
{
   int vet[10] = {5,3,4,7,1,2,-1,6,-1,-1};
   int i = 0; 
   int C=0; 
   int T=0;

   while (i >= 0) 
   {
      T = T + vet[C];
      printf("C:%d = %d \n", C++, vet[i]);
      i = vet[i];
   }
   printf("T=%d\n",T);

   return 0;
}