#include <iostream>
#include <string>
#include <regex>

using namespace std;

int main()
{
    //This should match any real number
    regex number {"((\\+|-)?[[:digit:]]+)(\\.(([[:digit:]]+)?))?((e|E)((\\+|-)?)[[:digit:]]+)?\\b"};
    //This should match any word
    regex word {"[[:alpha:]]+"};
    regex space {"\\s+"};
    string input, clean_words, clean_numbers;
    //Replace with an empty string
    const string format {""};

    getline(cin,input);

    //Split the input string in numbers and words
    clean_numbers=regex_replace(input, number, format);
    clean_words=regex_replace(input, word, format);

    cout << clean_words << endl;
    cout << clean_numbers << endl;
    return 0;
}