#include <bits/stdc++.h>
#define Mashu cout << "UUZ ate it." << endl
#define RE register int
#define ll long long
using namespace std;

inline int read(){
	char ch=getchar();
	int x=0,cf=1;
	while(ch<'0'||ch>'9') {
		if(ch=='-') cf=-1;
		ch=getchar();
	}
	while(ch>='0'&&ch<='9') {
		x=(x<<3)+(x<<1)+(ch^48);
		ch=getchar();
	}
	if (cf < 0) return -x;
	else return x;
}

int G[55];
template<class T> inline void write(T x){
	if (x < 0){
		putchar('-');
		x = -x;
	}
	int g=0;
	do{G[++g]=x%10;x/=10;}while(x);
	for(int i=g;i>=1;--i)putchar('0'+G[i]);putchar('\n');
}

struct edge{
	int to;
	int nxt;
	int w;
}e[400010];

int f[200010], cnt = 0;

void add(int u, int v, int w){
	e[++cnt].to = v;
	e[cnt].w = w;
	e[cnt].nxt = f[u];
	f[u] = cnt;
}

int main(){
	long long n;
	cin >> n;
	long long ans = 1;
	for (long long i = 2; i <= n; i++){
		ans = i * ans / __gcd(ans, i);
	} 
	cout << ans + 1 << endl;
	return 0;
	Mashu;
}
/*ॐ नमो भगवते वासुदेवाय नमः*/
#include<bits/stdc++.h>
using namespace std;

#define int long long
const int MOD = 1e9 + 7;
const double pi = 3.14159265359;

struct custom_hash {
    static uint64_t splitmix64(uint64_t x) {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }
    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

int binpow(int a, int b, int m) {
    a %= m;
    int res = 1;
    while (b > 0) {
        if (b & 1)
            res = res * a % m;
        a = a * a % m;
        b >>= 1;
    }
    return res;
}
int inverse(int x){
    return binpow(x, MOD - 2, MOD);
}

void solve()
{
    int n, ans = 0;
    cin >> n;
    n *= 2;
    for(int i = 1; i * i <= n; i++){
        if(n % i == 0){
            if(i % 2 != (n / i) % 2)    ans++;
        }
    }
    cout << 2 * ans << endl;
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    solve();
    cerr << "Time elapsed : " << 1.0 * clock() / CLOCKS_PER_SEC << " sec \n ";
}