conditions not satisfied showing about every colour
package com.codegym.task.task04.task0416;
/*
Crossing the road blindly
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
//write your code here
BufferedReader br= new BufferedReader(new InputStreamReader(System.in));
float a=Float.parseFloat(br.readLine());
if(((int)a)%4==0){
System.out.println("red");}
else if(((int)a)%2==0){
System.out.println("green");}
else{
for(int i=0;i<10;i++){
if((i*2)+1==(int)a){
if(i%2==0){
System.out.println("green");}
else{
System.out.println("yellow");}
}
}
}
}
}