#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
	string a,s;
	int x,y,z,zz,sum=0;
	cin>>a;
	for(int i=0;i<=a.size();i++)
	{
		if(a[i]!=','||i!=a.size())
		{
			if(a[i]>='a'&&a[i]<='z')
			{
				x++,s+=a[i];
				
			}
			if(a[i]>='A'&&a[i]<='Z')
			{
				y++,s+=a[i];
			}
			if(a[i]=='!'||a[i]=='@'||a[i]=='#'||a[i]=='$')
			{
				z++,s+=a[i];
			}
			if(a[i]>='1'&&a[i]<='9')
			{
				zz++,s+=a[i];
			}
			sum++;
		}
		else{
			if(x>=2&&y>=2&&z>=1&&zz>=2&&sum<=12&&sum>=6)
			{
				cout <<s<<endl;
				s.clear();
				sum=0;
				x=0;
				y=0;
				z=0;
				zz=0;
			}
		}
		
	}
}