#include <bits/stdc++.h>
using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    int n;
    cin >> n;
    
    const int MAX_TRITS = 8; 
    
    vector<vector<int>> trits(n+1, vector<int>(MAX_TRITS, 0));
    
    vector<vector<int>> allowed(n+1, vector<int>(MAX_TRITS, 2));
    
    
    for(int j = 1; j <= n; j++){
        int x = j;
        for(int d = 0; d < MAX_TRITS; d++){
            trits[j][d] = x % 3;
            x /= 3;
        }
    }
    
    
    for(int i = 1; i <= n; i++){
        int x = i;
        for(int d = 0; d < MAX_TRITS; d++){
            if(x > 0){
                allowed[i][d] = 2 - (x % 3);
                x /= 3;
            }
            else{
                allowed[i][d] = 2;
            }
        }
    }
    
    long long count = 0;
    
    
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            
            if( (i & j) != 0 )
                continue;
            
            
            bool ok = true;
            for(int d = 0; d < MAX_TRITS; d++){
                if(trits[j][d] > allowed[i][d]){
                    ok = false;
                    break;
                }
            }
            
            if(ok)
                count++;
        }
    }
    
    cout << count;
}