#include <iostream>
#include <string>
using namespace std;

int main() {
    
    int n,a,b;
    cin >> n;
    a = n/2;
    b = n-a;
    int A,B;
    A = a;
    B = b;
    for(int i = 1;i < 1000000000;i*=10){
        if(A/i == 0 && B/i == 0)break;
        if((A/i)%10 == 7){
            A-=i;
            B= n-A;
        }
        if((B/i)%10 == 7){
            B-=i;
            A=n-B;
        }
        if((A/i)%10 == 7){
            A-=i;
            B= n-A;
        }
        if((B/i)%10 == 7){
            B-=i;
            A=n-B;
        }
        
        printf("%d %d\n",(A/i)%10,(B/i)%10);
        a=A;
        b=B;
    }
    printf("%d %d\n",a,b);
    
return 0;
}