#include<bits/stdc++.h>
using namespace std;
bool zs(int n){
    bool r=true;
    if(n<=1) r=false;
        for(int i=2;i<=sqrt(n);i++){
            if(n%i==0){
                r=false;
                break;
        }
    }
    return r;
}
int szh(int n){
	int s=0;
	while(n!=0){
		s=s+n%10;
		n=n/10;
	}
	return s;
}
int n;
int main(){
	for(int i=10;i<=99;i++){
		if(zs(i)&&szh(i)==13){
			cout<<(i-13)/2+13<<" "<<(i-13)/2;
			break;
			
		}
	}
    
	

	return 0;
}


/**************************************************************
	Problem: 1512
	User: zhuanghaoxiang
	Language: C++
	Result: Accepted
	Time:3 ms
	Memory:2072 kb
****************************************************************/