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

void print(vector<char>v)
{
	vector<char>::iterator it;
	for (it = v.begin(); it < v.end(); it++)
	{
		cout << *it;
	}
	cout << endl;
}

int main()
{
	vector<char>c;
	vector<char>i;
	vector<char>other;
	string s;
	while (cin >> s)
	{
		string::iterator it;
		for (it = s.begin(); it < s.end(); it++)
		{
			if (*it >= 'a' && *it <= 'z' || *it >= 'A' && *it <= 'Z')
			{
				c.push_back(*it);
			}
			else if (*it >= '0' && *it <= '9')
			{
				i.push_back(*it);
			}
			else
			{
				other.push_back(*it);
			}
		}
		print(c);
		print(i);
		print(other);
	}
	return 0;
}