#include<bits/stdc++.h>
using namespace std;
string s1,s2;
bool a,b,t=1;
int n1,n2,n3;
int main(){
	cin>>s1;
	for(int i=0;i<s1.size();i++)if(s1[i]==',')n1++;
	for(int j=1;j<=n1;j++){
		for(int i=0;s1[i]==',';i++)s2[i]=s1[i],n2++;
		if(n2>12||n2<6)t=0,b=1;
		if(b==0){
			for(int i=0;s1[i]==',';i++){
				if(s2[i]>='a'&&s2[i]<='z')n3++;
				if(s2[i]>='A'&&s2[i]<='Z')n3++;
				if(s2[i]>='0'&&s2[i]<='9')n3++;
				if(s2[i]=='!'||s2[i]=='@'||s2[i]=='#'||s2[i]=='$')a=1;
			}
		}
		if(n3<=1&&a==0)t=0;
		if(t==1)cout<<s2<<"\n";
		s2='\n';
		t=1;
		n2=0;
		n3=0;
		a=0;
	}
	return 0;
}