#include<iostream> 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; }