#include <iostream>
#include <string>
#include <utility>
#include <vector>
using namespace std;

int main() {
	string S;
	cin >> S;
	vector<int> tmp1(10), tmp2{ 20104, 20063, 19892, 20011, 19874, 20199, 19898, 20163, 19956, 19841 };
	for (char& i : S) ++tmp1[i - '0'];
	pair<int, int> ans;
	for (int i = 0; i < 10; ++i) {
		if (tmp1[i] == tmp2[i] + 1) ans.first = i;
		else if (tmp1[i] == tmp2[i] - 1) ans.second = i;
	}
	cout << ans.first << ' ' << ans.second;
}