#include <iostream>
using namespace std;
int main () {
        int a;
	cin>>a;
	cout<<a/10<<endl;
	cout<<(a-a/10*10)/1<<endl;	
	return 0;
}

#include<iostream>
using namespace std;
int main()
{
	int n;
	cin >> n;
	cout << n / 10 << endl;
	cout << n % 10 << endl;
	return 0;
}