Братцы помогите

public class Solution {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String t = reader.readLine();
        double time = Double.parseDouble(t);

        if (time % 5 < 3)
            System.out.println("зелёный");
        else if (time % 5 < 4)
            System.out.println("жёлтый");
        else
            System.out.println("красный");
    }
}