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

#include "../../lib/aoc.h"

void mix(long *secret, long value) {
  *secret = *secret ^ value;
}

void prune(long *secret) {
  *secret %= 16777216l;
}

int main() {
  char *line;
  long secret;
  long answer = 0;
  while ((line = aoc_read_line()) != NULL) {
    secret = atol(line);
    for (int i = 0; i < 2000; i++) {
      long guy = secret * 64;
      mix(&secret, guy);
      prune(&secret);

      guy = secret / 32;
      mix(&secret, guy);
      prune(&secret);
      
      guy = secret * 2048;
      mix(&secret, guy);
      prune(&secret);
    }

    answer += secret;
  }

  printf("Part 1: %ld", answer);

  aoc_free();
  exit(0);
}