#include	<stdio.h>
#include	<unistd.h>
#include	<stdlib.h>

main ( )
{
	int pid1,pid2,pid;
        pid=fork();
            pid1=fork();
            pid2=fork();
         printf("pid= %d ppid=%d\n", getpid(),getppid());
         wait(NULL); wait(NULL); wait( NULL);
}