#include<iostream>
using namespace std;
unsigned int m,seed,n=1e7+1,t,x,y,z,w,f=2145000000L,l=2149000000L;
main()
{
	cin>>seed;
	while(l-f>1)
	{
		m=((long)f+(long)l)/2;
		x=seed;y=1,z=2,w=3;
		int cnt=0;
		for(int i=0;i<n;i++)
		{
			t=(x^(x<<11));
			x=y,y=z,z=w;
			w=(w^(w>>19))^(t^(t>>8));
			cnt+=w<=m;
		}
		if(cnt<5000001)f=m;
		else l=m;
	}
	cout<<l<<endl;
}