I'm not sure what is wrong?
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
InputStreamReader inputStream = new InputStreamReader(System.in);
BufferedReader reader = new BufferedReader(inputStream);
double t = Double.parseDouble(reader.readLine());
//>0-3 green
//>3 & < 4 yellow
// >4 & < 5 red
while(t>5)
t=t-5;
t=Math.floor(t);
if(t>=0 && t<3)
System.out.println("green");
else if(t>=3 && t<4)
System.out.println("yellow");
else if(t>=4 && t<5)
System.out.println("red");
}
}