#include "bits/stdc++.h"

using namespace std;

using ll = long long;
using ld = long double;
using P = pair<int, int>;
constexpr ld EPS = 1e-12;
constexpr int INF = numeric_limits<int>::max() / 2;
constexpr int MOD = 1e9 + 7;

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    ostringstream oss;
    oss << fixed << setprecision(222222) << acos(-1);
    string t = oss.str();
    string s;
    cin >> s;
    for (int i = 0; i < (int)s.length(); i++)
    {
        if (s[i] != t[i])
        {
            cout << s[i] << " " << t[i] << endl;
            return 0;
        }
    }
}