#include <iostream>
#include <string>

int main() {
    std::string label{"West:Gate"};
    auto split = label.find(':');
    if (split == std::string::npos) { return 1; }
    std::string zone = label.substr(0, split);
    std::string stop = label.substr(split + 1);
    std::cout << zone << " zone, " << stop << " stop\n";
}