#include <iostream>
using namespace std;
 
const int MAX_SIZE = 10;
const int TEN = 10;
 
int main() {
	int n, counter = 0, v[MAX_SIZE + 1];
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> v[i];
		if (i <= n / 2 && v[i] / TEN < TEN && v[i] / TEN ) {
			++counter;
				cout << v[i] <<" " << counter <<" \n";
		} 
		if (i > n / 2 && v[i] / TEN < TEN && v[i] / TEN) {
			--counter;
				cout << v[i] <<" " << counter <<" \n";
		}
	}
	if (counter > 0) {
		cout << "1";
	} else {
		cout << "2";
	}
	return 0;
}

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