#include <bits/stdc++.h>
using namespace std;

bool mmhg(string a)
{
	if(a.size() < 6 && a.size() > 12)
		return 0;
	int b = 0,c = 0,d = 0,e = 0;
	for(int i = 0;i < a.size();i++)
	{
		if(a[i] >= 'a' && a[i] <= 'z')
			b++;
		else if(a[i] >= 'A' && a[i] <= 'Z')
			c++;
		else if(a[i] >= '0' && a[i] <= '9')
			d++;
		else if(a[i] == '!' || a[i] == '@' || a[i] == '#' || a[i] == '$')
			e++;
		else
			return 0;
	}
	int he = 0;
	if(b >= 2)
		he++;
	if(c >= 2)
		he++;
	if(d >= 2)
		he++;
	if(he >= 2 && e >= 1)
		return 1;
	return 0;
}

int main() {
	string a;
	cin>>a;
	string b[a.size()];
	a = a + ',';
	int j = 0;
	for(int i = 0;i < a.size();i++){
		if(a[i] == ',')
			j++;
		else 
			b[j] = b[j] + a[i];
	}
	for(int i = 0;i < j;i++)
	{
		if(mmhg(b[i]))
			cout<<b[i]<<endl;
	}
	return 0;
}

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