#include<bits/stdc++.h>
using namespace std;
int main(){
	string input,z,num,fu;
	cin>>input;
	for(char c:input){
	if(c>='A'&&c<='Z'||c>='a'&&c<='z'){
		z.push_back(c);
	}else if(c>='0'&&c<='9'){
		num.push_back(c);
	}else{
		fu.push_back(c);
	}
	}
	cout<<z<<endl;
	cout<<num<<endl;
	cout<<fu<<endl;
	return 0;
}