#include <iostream>
#include <cstdlib>
#include <unistd.h>

using namespace std;


int main(void) {
	pid_t pid=fork();
	if (pid==0) {
		sleep(20);
		cout << "child adopted by PID:" << getpid() <<"\n";
		sleep(1);
		}
	else {
		cout << "parent exits \n";
		sleep(3);
		_exit(0);
	}
return 0;
};