#include <iostream>
#include <random>
#include <algorithm>
#define INF 1000000000
using namespace std;
// #define int long long



signed main(){
  int N;
  cin >> N;
  int A,B;
  A=N/2;B=N-A;
  bool F=0;
  while(1){
    //てすとえりあ
    F=false;
    /*
      cout << A << " " << B << endl;
    //*/
    int a=A;
    while(a!=0){
      if(a%10==7){
        F=true;
        break;
      }
      a/=10;
    }
    int b=B;
    while(b!=0){
      if(b%10==7){
        F=true;
        break;
      }
      b/=10;
    }
    if(F==false)break;
    //へんこうえりあ
    A--;B++;
  }
  cout << A << " " << B << endl;
}