module main;

import std.stdio;
import std.json;
import std.conv;
import std.file;
import core.exception;
import std.string;

int sum(JSONValue j) {
    int result = 0;
    if(j.type() == JSON_TYPE.STRING)
        return 0;
    else if(j.type() == JSON_TYPE.INTEGER)
        return cast(int)j.integer;
    else if(j.type() == JSON_TYPE.OBJECT) {
        string keys[] = j.object.keys;
        foreach(key;keys) {
            JSONValue obj = j.object[key];
            if(obj.type() == JSON_TYPE.STRING && obj.toString() == "\"red\"")
                return 0;
        }
        foreach(key;keys) {
            JSONValue obj = j.object[key];
            result += sum(obj);
        }
    }
    else if(j.type() == JSON_TYPE.ARRAY) {
        foreach(obj;j.array) {
            result += sum(obj);
        }
    }
    return result;
}

int main(string[] args)
{
    char[] jsonString = cast(char[])read("input.txt");
    JSONValue j = parseJSON(jsonString);
    writeln("Sum: ", sum(j));

    return 0;
}