#include <stdio.h>

void func (long long n, long long mod_num, long long *dp) {
  long long tmp[4] = {};
  
  if (n == 1LL) {
    dp[0] = 0LL;
    dp[1] = 0LL;
    dp[2] = 0LL;
    dp[3] = 1LL;
    return;
  }
  
  func(n/2LL, mod_num, dp);
  tmp[0] = 2LL*(dp[0]+dp[2])%mod_num;
  tmp[1] = (dp[1]+dp[3])%mod_num;
  tmp[0] += (dp[0]*(dp[0]+dp[2]))%mod_num;
  tmp[0] += (dp[1]*dp[0])%mod_num;
  tmp[1] += (dp[0]*(dp[1]+dp[3]))%mod_num;
  tmp[1] += (dp[1]*dp[1])%mod_num;
  tmp[2] = (dp[2]+dp[3])%mod_num;
  tmp[2] += (dp[2]*(dp[0]+dp[2]))%mod_num;
  tmp[2] += (dp[3]*dp[0])%mod_num;
  tmp[3] = (dp[2]*(dp[1]+dp[3]))%mod_num;
  tmp[3] += (dp[3]*dp[1])%mod_num;
  
  if (n%2LL == 1LL) {
    dp[0] = (tmp[0]+tmp[1])%mod_num;
    dp[1] = (1LL+tmp[0])%mod_num;
    dp[2] = (tmp[2]+tmp[3])%mod_num;
    dp[3] = tmp[2]%mod_num;
  } else {
    dp[0] = tmp[0]%mod_num;
    dp[1] = tmp[1]%mod_num;
    dp[2] = tmp[2]%mod_num;
    dp[3] = tmp[3]%mod_num;
  }
  
  //printf("%lld %lld %lld %lld %lld\n", n, dp[0], dp[1], dp[2], dp[3]);
  
  return;
}

int main () {
  long long n = 0LL;
  
  int res = 0;
  
  long long ans = 0LL;
  long long mod_num = 998244353LL;
  
  long long dp[4] = {};
  
  res = scanf("%lld", &n);
  func(n, mod_num, dp);
  
  ans = (dp[0]+dp[1])%mod_num;
  printf("%lld\n", ans);
  
  return 0;
}