#include <iostream>
#include <string>

void solve() {
    std::string s;
    std::cin >> s;
    int n = s.length();

    std::string t(n, '0');
    for (int i = 0; i < n; ++i) {
        if (s[i] != '7') continue;
        s[i] = '3';
        t[i] = '4';
    }

    std::cout << std::stoi(s) << " " << std::stoi(t) << std::endl;
}

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

    solve();

    return 0;
}