#include <iostream>
#include <string>
using namespace std;

int main(){

    string s;
    cin >> s;

    for(char c : s){
        if((c>='A' && c<='Z') || (c>='a' && c<='z'))
            cout << c;
    }
    cout << endl;

    for(char c : s){
        if(c>='0' && c<='9')
            cout << c;
    }
    cout << endl;

    for(char c : s){
        if(!((c>='A' && c<='Z') || (c>='a' && c<='z') || (c>='0' && c<='9')))
            cout << c;
    }

    return 0;
}