public class Cat {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
double t = Double.parseDouble(reader.readLine());
double b = t % 5;
if(b >= 0 && b <= 2.59)
System.out.println("зелёный");
else if(b >= 3 && b <= 3.59)
System.out.println("жёлтый");
else if(b >= 4 && b <= 4.59)
System.out.println("красный");
}
}package com.javarush.task.task04.task0416;
/*
Переходим дорогу вслепую
*/
import java.io.*;
import java.util.*;
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
double t = Double.parseDouble(reader.readLine());
double b = t % 5;
if(b >= 0 && b <= 2.59)
System.out.println("зелёный");
else if(b >= 3 && b <= 3.59)
System.out.println("жёлтый");
else if(b >= 4 && b <= 4.59)
System.out.println("красный");
}
}