try{
            while(true){

                t=nextInt();a=nextInt();b=nextInt();
                    //TODO
                }
            }
        }catch(Exception e){};
    static BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
    static StringTokenizer st=new StringTokenizer("");
    static String nextToken()throws Exception {
        while(!st.hasMoreTokens())
            st=new StringTokenizer(br.readLine());
        return st.nextToken();
    }
    static int nextInt() throws Exception {
        return Integer.parseInt(nextToken());
    }