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- class InputReader {
- BufferedReader reader;
- StringTokenizer tokenizer;
- public InputReader(InputStream stream) {
- reader = new BufferedReader(new InputStreamReader(stream));
- tokenizer = null;
- }
- public String next() {
- while (tokenizer == null || !tokenizer.hasMoreTokens()) {
- try {
- tokenizer = new StringTokenizer(reader.readLine());
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
- return tokenizer.nextToken();
- }
- public long nextLong() {
- return Long.parseLong(next());
- }
- public int nextInt() {
- return Integer.parseInt(next());
- }
- }
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