#include <iostream>
#include <string>
using namespace std;
int main() {
	string s,z="",n="",e="";
	cin>>s;
	for(int i=0;i<s.size();i++){
		if(s[i]>='a'&&s[i]<='z'||s[i]>='A'&&s[i]<='Z')
			z=z+s[i];
		else if(s[i]>='0'&&s[i]<='9')
			n=n+s[i];
		else
			e=e+s[i];
	}
	cout<<z<<endl;
	cout<<n<<endl;
	cout<<e<<endl;
	return 0;
}