#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("divprim.in");
ofstream g ("divprim.out");
int prim(int x)
{
    int nr=0;
    if(x%2==0)
    {  nr++;
    while(x%2==0)
        x/=2;
    }
    for(int d=3;d*d<x;d+=2)
       if(x%d==0)
         {nr++;
       while(x%d==0)
         x/=d;
         }
    g<<nr;



}
int main()
{
    int T, N, K,X;
    f>>T;
    f>>N;
    f>>K;
    do
      {
          if(prim(X)==K)
            g<<X;
        else
            X--;

      }while(X<N || X==N);




    return 0;
}