#include <bits/stdc++.h>
using namespace std;
string s, t;
// 检测 t 是否合法，如果合法就输出
void work()
{
    if (t.size() < 6 || t.size() > 12)
        return;
    int cnta, cntA, cnt0, cnt_;
    cnta = cntA = cnt0 = cnt_ = 0;
    for (int i = 0; i < t.size(); i++)
    {
        if ('a' <= t[i] && t[i] <= 'z')
            cnta++;
        else if ('A' <= t[i] && t[i] <= 'Z')
            cntA++;
        else if ('0' <= t[i] && t[i] <= '9')
            cnt0++;
        else if (t[i] == '!' || t[i] == '@' || t[i] == '#' || t[i] == '$')
            cnt_++;
        else
            return;
    }
    int num = (cnt0 > 0) + (cnta > 0) + (cntA > 0);
    if (num >= 2 && cnt_ > 0)
        cout << t << "\n";
}
int main()
{
    cin >> s;
    s = s + ",";
    t = "";
    for (int i = 0; i < s.size(); i++)
    {
        if (s[i] == ',')
        {
            work();
            t = "";
        }
        else
            t = t + s[i];
    }

    return 0;
}