#include <bits/stdc++.h>
using namespace std;
char line[101];
char pwd[101];

bool check(char * str, int l) {
	if (l < 6 || l > 12)
		return false;
	bool hasC = false, hasL = false, hasD = false, hasS = false;
	for (int i = 0; str[i] != '\0'; i++) {
		if ('A' <= str[i] && str[i] <= 'Z') {
			hasC = true;
		} else if ('a' <= str[i] && str[i] <= 'z') {
			hasL = true;
		} else if ('0' <= str[i] && str[i] <= '9') {
			hasD = true;
		} else if (str[i] == '!' || str[i] == '@' ||
			str[i] == '#' || str[i] == '$') {
			hasS = true;
		} else
			return false;
	}
	if (!hasS)
		return false;
	if (hasC + hasL + hasD < 2)
		return false;
	return true;
}
int main() {
	cin >> line;
	
	int len = 0;
	for (int i = 0; line[i] != '\0'; i++) {
		if (line[i] != ',') {
			pwd[len] = line[i];
			len++;
		} else {
			pwd[len] = '\0';
			if (check(pwd, len))
				cout << pwd << endl;
			len = 0;
		}
	}
	if (len > 0) {
		pwd[len] = '\0';
		if (check(pwd, len))
			cout << pwd << endl;
	}
	return 0;
}