/*
  NAME : Nursoltan
  PROB : sprime
  LANG : C++
  DATE : 01/07/11 15:02
*/
#include <algorithm>
#include <bitset>
#include <cctype>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <sstream>
#include <iostream>
#include <map>
#include <set>
#include <stack>
#include <utility>
#include <queue>

using namespace std;

#define MAX 100
#define INF INT_MAX
#define eps (1e-9)

#define FOR(_i,_k,_n) for(int (_i)=(_k); (_i)<(_n); (_i)++)
#define FORR(_i,_k,_n) for(int (_i)=(_k); (_i)>=(_n); (_i)--)
#define CLR(_x) memset((_x),0,sizeof(_x))
#define SQR(_x) ((_x)*(_x))
#define all(_x) _x.begin(),_x.end()
#define sz(_x) sizeof(_x)

#define vc vector<int>
#define pb push_back
#define mp make_pair
#define iss istringstream
#define oss ostringstream
#define px first
#define py second

typedef long long ll;
typedef pair <int,int> point;
int ABS(int _x){ return _x>0?_x:-_x; }

bool isPrime(int x){
     FOR(i,2,sqrt(x)+2) if(x%i==0) return 0;
     return 1;
}

void rec(int N, int dig){
     if(dig==0){
       cout<<N<<endl;
       return;
     }
     FOR(i,1,10) if(isPrime(10*N+i)) rec(10*N+i,dig-1);
}

int main()
{
    freopen("sprime.in","r",stdin);
    freopen("sprime.out","w",stdout);
    
    int N;
    cin>>N;
    
    rec(2,N-1);
    rec(3,N-1);
    rec(5,N-1);
    rec(7,N-1);
    
    //system("pause");
    return 0;
}

ch1 : Superprime Rib

C++