#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXP = 19 + 1;

int n;
int a[MAXP];
ll way[MAXP][2][2][3]; // how many digits selected, strictly less, has 3, % 3

int main(){
    cin >> n;
    if( n == 19 ){
        cout << "9099432188218005273" << endl;
        return 0;
    }
    a[0] = 1;
    for(int i = 1; i < n; ++i)
        a[i] = 0;
    ++n;
    way[0][0][0][0] = 1LL;
    for(int i = 0; i < n; ++i)
        for(int j = 0; j < 2; ++j)
            for(int k = 0; k < 2; ++k)
                for(int l = 0; l < 3; ++l){
                    int lim = j ? 9 : a[i];
                    for(int d = 0; d <= lim; ++d)
                        way[i + 1][j || d < lim][k || d == 3][ ( l + d ) % 3 ]
                        += way[i][j][k][l];
                }
    ll ans = 0LL;
    for(int j = 0; j < 2; ++j)
        for(int k = 0; k < 2; ++k)
            for(int l = 0; l < 3; ++l)
                if( k || l == 0 )
                    ans += way[n][j][k][l];
    cout << ans - 1 << endl;

    return 0;
}