BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in)); String s =bufferedReader.readLine(); float f = Float.parseFloat(s); int x = (int) Math.floor(f); traficLight(x); } public static void traficLight(int time) { if(time%5>=0&&time%5<3){ System.out.println("зелёный"); }else if (3>=time%5&&time%5<4){ System.out.println("жёлтый"); }else if (5>time%5&&time%5>3){ System.out.println("красный "); } } }