#include #include #include #include #include #include #include #define rep(i, a, b) for (int i = int(a); i < int(b); i++) using namespace std; using ll = long long int; using P = pair; // clang-format off #ifdef _DEBUG_ #define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; PPPPP(__VA_ARGS__); cerr << endl; } while(false) template void PPPPP(T t) { cerr << t; } template void PPPPP(T t, S... s) { cerr << t << ", "; PPPPP(s...); } #else #define dump(...) do{ } while(false) #endif template vector make_v(size_t a, T b) { return vector(a, b); } template auto make_v(size_t a, Ts... ts) { return vector(a, make_v(ts...)); } template bool chmin(T &a, T b) { if (a > b) {a = b; return true; } return false; } template bool chmax(T &a, T b) { if (a < b) {a = b; return true; } return false; } template void print(T a) { cout << a << '\n'; } template void print(T a, Ts... ts) { cout << a << ' '; print(ts...); } template istream &operator,(istream &in, T &t) { return in >> t; } // clang-format on unsigned long long my_pow(int p, int base) { unsigned long long res = 1; rep(i, 0, p) { res *= base; } return res; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int p; cin, p; unsigned long long ans = 0; // 3のつく数 ans += my_pow(p, 10) - my_pow(p, 9); // 3の倍数 ans += my_pow(p, 10) / 3; // 桁,mod, use3 auto dp = make_v(p + 1, 3, 2, 0ULL); dp[0][0][0] = 1; rep(i, 0, p) { rep(j, 0, 3) { rep(k, 0, 2) { rep(l, 0, 10) { int nx = (j + l) % 3; int use3 = k | (l == 3); dp[i + 1][nx][use3] += dp[i][j][k]; } } } } ans -= dp[p][0][1]; print(ans); return 0; }