#include<iostream>
#include<vector>
using namespace std;
class number{
private:
	int num;
	int rev_num;
public:
	number(){}
	number(int x);
	~number(){}
	void setvalue(int x);
	void display();
};
number::number(int x)
{
	num = x;
	rev_num = 0;
	int tmp;
	while (x > 0) {
		tmp = x%10;
		rev_num *= 10;
		rev_num += tmp;
		x /= 10;
	}
}
void number::setvalue(int x)
{
	num = x;
	rev_num = 0;
	int tmp;
	while (x > 0) {
		tmp = x%10;
		rev_num *= 10;
		rev_num += tmp;
		x /= 10;
	}
}
void number::display()
{
	cout << num << " " << rev_num << endl;
}
int main()
{
	int num;
	vector<number> vnum;
	for (int i = 1; i <= 10; i++) {
		cin >> num;
		if (num == 0)
			break;
		number a(num);
		vnum.push_back(a);
	}
	for (int i = 0; i < vnum.size(); i++)
		vnum[i].display();
	return 0;
}