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

        int check_authentication(char *password)
        {
           int auth_flag = 0;
           char password_buffer[16];
           strcpy(password_buffer, password);

           if(strcmp(password_buffer, "password1") ==0)
           {
                auth_flag = 1;
           }

           return auth_flag;
        }

        int main(int argc, char *argv[])
        {

            if(check_authentication(argv[1]))
            {
                  printf("n Access Granted. n");
            }
            else
            {
                   printf("n Access Denied n");
            }

            return 0;

        }