#include <iostream>
#include <fstream>
using namespace std;
int n;
int main()
{
    ifstream in("sita.in");
    ofstream out("sita.out");
    int i,j,nr=0;
    in>>n;
    int v[n+1];
    out<<"Numerele prime mai mici sau egale cu "<<n<<" sunt:"<<'\n';
    for(i=2; i<=n; i++)
        v[i]=1;
    for(i=2; i<=n; i++){
        if(v[i]==1){
            out<<i<<" ";
            nr++;
            for(j=i+i; j<=n; j=j+i)
                v[j]=0;
        }
    }
    out<<'\n'<<"In total "<<nr<<" numere prime";
    in.close();
    out.close();
    return 0;
}