/*
 _____ _             _              _           _
|_   _| |__   ___   / \   _ __  ___| |__  _   _| |
  | | | '_ \ / _ \ / _ \ | '_ \/ __| '_ \| | | | |
  | | | | | |  __// ___ \| | | \__ \ | | | |_| | |
  |_| |_| |_|\___/_/   \_\_| |_|___/_| |_|\__,_|_|

*/
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ll          long long
#define pb          push_back
#define ppb         pop_back
#define	endl		'\n'
#define mii         map<ll,ll>
#define msi         map<string,ll>
#define mis         map<ll, string>
#define rep(i,a,b)    for(ll i=a;i<b;i++)
#define repr(i,a,b) for(ll i=b-1;i>=a;i--)
#define trav(a, x) 	for(auto& a : x)
#define pii         pair<ll,ll>
#define vi          vector<ll>
#define vii         vector<pair<ll, ll>>
#define vs          vector<string>
#define all(a)      (a).begin(),(a).end()
#define F           first
#define S           second
#define sz(x)       (ll)x.size()
#define hell        1000000007
#define lbnd        lower_bound
#define ubnd        upper_bound
#define max(a,b)	(a>b?a:b)
#define min(a,b)	(a<b?a:b)

/*	For Debugging	*/
#define DEBUG 		cerr<<"\n>>>I'm Here<<<\n"<<endl;
#define display(x) trav(a,x) cout<<a<<" ";cout<<endl;
#define what_iss(x)  cerr << #x << " = " << x << endl;
#define what_is(x)  cerr << #x << " = " << x << " ";

std::mt19937_64 rng(std::chrono::steady_clock::now().time_since_epoch().count());
#define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define TIME        cerr << "\nTime elapsed: " << setprecision(5) <<1000.0 * clock() / CLOCKS_PER_SEC << "ms\n";
#define DECIMAL(n)  cout << fixed ; cout << setprecision(n);
#define FAST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace __gnu_pbds;
using namespace std;
#define PI 3.141592653589793
#define N  100005

ll expo(ll base, ll exponent, ll mod) {								//return base^exponent modulo modulus
    ll ans = 1;
    while(exponent !=0 ) {
        if((exponent&1) == 1) {
            ans = ans*base ;
            ans = ans%mod;
        }
        base = base*base;
        base %= mod;
        exponent>>= 1;
    }
    return ans%mod;
}

string fun(ll num) {
	if(num == 0) {
		return "0";
	}
	string s = "";
	while(num > 0) {
		s += (char)((num & 1) + '0');
		num /= 2;
	}
	reverse(all(s));
	return s;
}

void solve()
{
	ll p = 1611516670;
	ll m = (1 << 20);
	ll g = expo(2,40,LLONG_MAX);
	// what_iss(fun(g));
	// what_iss(fun(m));
	// what_is((p & m) );
	rep(i,1,100) {
		p = (p + (p / m) + 12345) % g;
		// what_is(fun(p));
		// cerr << ((p & m) != 0) << " ";
		// what_iss(i);
	}
	what_iss(fun(p).length());
	return;
}
int main()
{
	FAST
	int TESTS=1;
//	cin>>TESTS;
	rep(i,0,TESTS)
    {
        // cout<<"Case #"<<i+1<<": ";
        solve();
    }
	// TIME
	return 0;
}