#include <stdio.h>
#include <unistd.h>
#include <sys/wait.h>
#include <stdlib.h>

int echo_service(){
	char x[4];
	read(0, x, 50);
	printf("%s", x);
	fflush(stdout);
	return 0;
}

void brop() {
    system("/bin/sh");
    printf("brop");
    fflush(stdout);
}

int main(void) {
    printf("%p\n", &main);
    printf("%p\n", &brop);
    printf("%lu\n", (unsigned long)&main - (unsigned long)&brop);
    fflush(stdout);
	while(1) {
		if (fork() == 0) {
			echo_service();
			return 0;
		}
		int status;
		wait(&status);
		if (status != 0) {
			puts("You broke the internet!");
			fflush(stdout);
		}
	}
	return 0;
}