\begin{array}{M} \color{#00FFE0}{M} \color{#14EAE3}{y} \color{#27D5E5}{t} \color{#3BBFE8}{h} \color{#8371F1}{i} \color{#9D55F5}{c} \color{#B739F8}{s}\color{#D11CFC}{G}\color{#EB00FF}{M} \end{array}

#include<bits/stdc++.h>
#define ll long long
#define fast ios::sync_with_stdio(0); cin.tie(0);
using namespace std;

int main() {
    fast
    int n, count = 0;
    cin >> n;
    for (int i = 1; i <= n; i += 2)
        if (n % i == 0) count++;
    cout << count;
}