#include <stdio.h>
#include <pthread.h>
#include <unistd.h>
#include <stdlib.h>
void* show(void* a)
{
  int* suma=malloc(sizeof(int));
  int *b=(int*)a;
for (int i=0;i<*b;i++)
{
  *suma+=i;
  printf("%d ",i);
  usleep(10000);
}
printf("\n");
return (void*)suma;
}
int main(void) {
  int* sum;
  int* sum2;
  int a=8;
  pthread_t thread_1,thread_2;
  pthread_create(&thread_1,NULL,show,(void*)&a);
  int b=7;
   pthread_create(&thread_2,NULL,show,(void*)&b);
   pthread_join(thread_1, (void**)&sum);
   pthread_join(thread_2, (void**)&sum2);
   printf("%d %d",*sum,*sum2);
   free(sum);
   free(sum2);
  //show();
  return 0;
}