#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;

int main() {
	string s; cin >> s;
	string a, b;
	for (char c : s) {
		if (c == '7') {
			a += '3'; b += '4';
		}
		else {
			a += '0'; b += c;
		}
	}
	while (a.front() == '0')a = a.substr(1);
	while (b.front() == '0')b = b.substr(1);
	cout << a << ' ' << b << endl;
}