#include <iostream>
#include <vector>
#include <string>
 
int main()
{
  std::vector<int> levels;
  std::string hangy;
 
  std::string name;
  for (int level, address; std::cin >> level >> name >> address;) {
    while (!levels.empty() && levels.back() >= level)
      levels.pop_back(), hangy.erase(hangy.size()-2);
    levels.push_back(level);
    hangy += name + ".";
    std::cout << address << ": " << hangy.substr(0, hangy.size()-1) << '\n';
  }
}
 

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MSBBIDEyMwoyIEIgMjM0CjMgQyAzNDUKMyBEIDQ1Ngo0IEUgNTY3CjMgRiA2NzgKNCBFIDc4OQo=

1 A 123
2 B 234
3 C 345
3 D 456
4 E 567
3 F 678
4 E 789