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

#define MAXLINE 256

#define SUCCESS "Password verified\n"
#define INVALID "Invalid password\n"
#define NO_USER "No such user\n"

int main(void) {
    char user_id[MAXLINE];
    char password[MAXLINE];

    int status;
    int ret;
    int pipe_fd[2];

    if (fgets(user_id, MAXLINE, stdin) == NULL) {
        perror("fgets");
        exit(1);
    }
    if (fgets(password, MAXLINE, stdin) == NULL) {
        perror("fgets");
        exit(1);
    };