#include <iostream>
#include <string>

int main() {
    std::string s;
    std::cin >> s;

    std::string digits;
    std::string nonDigits;

    for (int i = s.length() - 1; i >= 0; --i) {
        if (std::isdigit(s[i])) {
            digits += s[i];
        } else {
            nonDigits += s[i];
        }
    }

    std::cout << nonDigits;
    std::cout << digits;

    return 0;
}