#include <iostream>
void algo(const std::string& n) {
size_t i, c[10] = {};
for (i = 0; i < n.size(); ++i)
++c[n[i] - '0'];
size_t j, mx = 0, mn = 0;
for (i = 0; i < 10; ++i)
for (j = 0; j < c[i]; ++j) {
mn *= 10;
mn += i;
}
for (i = 9; i != SIZE_MAX; --i)
for (j = 0; j < c[i]; ++j) {
mx *= 10;
mx += i;
}
std::cout << mn << ' ' << mx;
}
int main() {
std::string n;
std::cin >> n;
algo(n);
}