#include <stdio.h>
#include <pthread.h>

pthread_t th[50];
int arg[50];

void perf(int *nr)
{
 int s;
 int j;
 int nn;
 nn=*nr;
 s=0;
 for (j=1;j<nn;j++)
   if (nn%j==0) s+=j;
 if (s==nn) printf("%d e numar perfect...\n",nn);
 pthread_exit(NULL);
}

main()
{
 int n;
 int i;
 printf("Dati N:");
 scanf("%d",&n);
 printf("%d\n",n);
 for (i=1;i<=n;i++)
  {arg[i]=i;
   pthread_create(&th[i],NULL,(void *)perf,(void *)&arg[i]);
  }
 for (i=1;i<=n;i++)
   pthread_join(th[i],NULL);

}