#include<bits/stdc++.h>
using namespace std;
int main(){
	string a;
	int ff=0;
	cin>>a;
	string b;
	int lens=a.size();
	for(int j=0;j<lens;j++){
		for(int i=0;i<lens;i++){
			if(a[i]==','){
				break;
			}else{
				b[i]=a[i];
			}
		}
		if((b[j]>='a'&&b[j]<='z')||(b[j]>='A'&&b[j]<='Z')){
			ff++;
		}
		if((b[j]>='0'&&b[j]<='9')||b[j]=='!'||b[j]=='@'||b[j]=='#'||b[j]=='$'){
			ff++;
		}
		if(b.size()>=6&&b.size()<=12){
			ff++;
		}
		if(((b[j]=='a'&&b[j]=='z')&&(b[j]=='A'&&b[j]=='Z'))||((b[j]=='A'&&b[j]=='Z')&&b[j]>='0'&&b[j]<='9')||((b[j]=='a'&&b[j]=='z')&&b[j]>='0'&&b[j]<='9')){
			ff++;
		}
		if(b[j]=='!'||b[j]=='@'||b[j]=='#'||b[j]=='$'){
			ff++;
		}
		if(ff==5){
			cout<<b;
			cout<<endl;
		}
	}
	
}