#include<bits/stdc++.h>
using namespace std;
#define ALL(x) x.begin(),x.end()
#define rep(i,n) for(int i=0;i<(n);i++)
#define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl;
#define INF 1000000000
#define mod 1000000007
using ll=long long;
const ll LINF=1001002003004005006ll;
int dx[]={1,0,-1,0};
int dy[]={0,1,0,-1};
ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;}

ll Pow(ll a,ll k){
    ll ret=1,num=a;
    while(k){
        if(k&1) ret*=a;
        a=a*a;
        k>>=1;
    }
    return ret;
}

signed main(){
    cin.tie(0);
    ios::sync_with_stdio(0);

    ll n;cin>>n;
    ll k=__builtin_popcountll(n);
    cout<<n+1-Pow(2,k)<<endl;
    return 0;
}