import ballerina/io;


public function main() {
    json given_object = {
        "dsp": ["11:30", "5:15"],
        "fmm": "5:15",
        "svt": ["5:15", "2:00"],
        "prg": ["8:30", "11:30"]
    };

    // Get search string
    string search_string = io:readln("Subject: ");

    // Get keys from JSON file
    string[] keys = given_object.getKeys();

    // Actually search for the right key
    int j = 0;
    boolean found = false;
    while (j < keys.length()) {
        if (search_string.equalsIgnoreCase(keys[j])) {
            found = true;
            io:println(given_object[keys[j]]);
        }
        j = j + 1;
    }

    // Say something if we didn't find it
    if !(found) {
        io:println("Key not found.");
    }
}