#include <bits/stdc++.h>
using namespace std;

bool sushu(int n){
	if(n <= 1) return false;
	for(int i = 2;i <= sqrt(n);i++){
		if(n % i == 0){
			return false;
		}
	}
	
	return true;
}

int sum(int n){
    int s = 0;
    while(n != 0){
        s = s + n % 10;
        n = n / 10;
    }
    return s;
}

int main(){
	int j;
	//甲的年龄 
	for(int i = 1;i <= 100;i++){
		j = i - 13;//乙的年龄
		if((i+j)>=10 && (i+j)<99 && sushu(i+j) && sum(i+j)==13){
			cout<<i<<" "<<j<<endl;
		} 
	}
}


/**************************************************************
	Problem: 1512
	User: admin
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/