#include<bits/stdc++.h>
using namespace std;
const int N=1e5+10;
const int INF=0x3f3f3f3f;
bool Accepted(string s){//Accepted()
    int len = s.size();
    if (len < 6 || len > 12)
	{ 
        return false;
    }
    int low = 0, upp = 0, dig = 0, spc = 0;
    for (int i = 0; i < s.size(); i++)
	{
        if (s[i] >= 'a' && s[i] <= 'z')
		{
            low = 1;
        }
        else if (s[i] >= 'A' && s[i] <= 'Z')
		{
            upp = 1;
        }
        else if (s[i] >= '0' && s[i] <= '9')
		{
            dig = 1;
        }
        else if (s[i] == '!' || s[i] == '@' || s[i] == '#' || s[i] == '$')
		{
            spc = 1;
        }
        else
		{
            return false;
        }
    }
    
    if ((low + upp + dig >= 2) && spc == 1) {
        return true;
    }
    return false;
}
 
int main() {
    string s;
    cin >> s;
    s += ',';
    string pwd = "";
    
    for (int i = 0; i < s.size(); i++) {
        if (s[i] == ',') {
            if (Accepted(pwd)) {
                cout << pwd << endl;
            }
            pwd = "";
        }
        else {
            pwd += s[i];
        }
    }
    return 0;
}
//老登布置的作业系列