#include <fstream>
#include <iostream>

using namespace std;

ifstream f("cmmc.in");
ofstream g("cmmc.out");

int v[2000005],i,j,n,m=0;

int main()
{
    f>>n;
    for(i=2;i<=n;++i)
    {
        if(v[i]==0)
        {
        for(j=i+i;j<=n;j=j+i)
        v[j]=1;
        }
    }
    for(i=2;i<=n;++i)
    {
        g<<i<<" "<<v[i]<<" ";
        if(v[i]==0)
            m++;
    }
    g<<m;
    return 0;
    }