ABC106B - 105

問題：B - 105

#include <iostream>
using namespace std;

#define FOR(i, a, b) for (int i = (a); i < (b); ++i)

bool getJudge(int x_n) {
    int cnt = 0;

    FOR(i, 1, x_n + 1) {
        if (x_n % i == 0) {
            cnt++;
        }
    }
    
    return cnt == 8;
}

int main(void) {
    int n, ans = 0;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> n;
    FOR(i, 1, n + 1) {
        if (i % 2 && getJudge(i)) {
            ans++;
        }
    }
    
    cout << ans << "\n";
    return 0;
}