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- static class FastReader {
- BufferedReader br;
- StringTokenizer st;
- public FastReader(){
- br = new BufferedReader(new
- InputStreamReader(System.in));
- }
- String next(){
- while (st == null || !st.hasMoreElements()){
- try {
- st = new StringTokenizer(br.readLine());
- }
- catch (IOException e) {
- e.printStackTrace();
- }
- }
- return st.nextToken();
- }
- int nextInt()
- {
- return Integer.parseInt(next());
- }
- long nextLong()
- {
- return Long.parseLong(next());
- }
- double nextDouble()
- {
- return Double.parseDouble(next());
- }
- String nextLine() {
- String str = "";
- try {
- str = br.readLine();
- }
- catch (IOException e) {
- e.printStackTrace();
- }
- return str;
- }
- }
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