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  1. import java.util.*;
  2. import java.io.*;
  3.  
  4. public class Main
  5. {
  6.     public static void main(String[] args) throws Exception
  7.     {
  8.         FastInput in = new FastInput(System.in);
  9.         PrintWriter out = new PrintWriter(System.out, true);
  10.  
  11.         String a, b;
  12.         long x, y;
  13.  
  14.         while((a = in.next()) != null) {
  15.             b = in.next();
  16.             x = in.convtoLong(a);
  17.             y = in.convtoLong(b);
  18.             out.println(x ^ y);
  19.         }
  20.         //out.close();
  21.     }
  22. }
  23.  
  24. class FastInput
  25. {
  26.     BufferedReader br;
  27.     StringTokenizer st;
  28.  
  29.     public FastInput(InputStream stream)
  30.     {
  31.         br = new BufferedReader(new InputStreamReader(stream));
  32.         st = null;
  33.     }
  34.  
  35.     public String next()
  36.     {
  37.         while(st == null || !st.hasMoreTokens()) {
  38.             try {
  39.                 st = new StringTokenizer(br.readLine());
  40.             } catch (Exception e) {
  41.                 throw new RuntimeException(e);
  42.             }
  43.         }
  44.         return st.nextToken();
  45.     }
  46.  
  47.     public int nextInt()
  48.     {
  49.         return Integer.parseInt(next());
  50.     }
  51.  
  52.     public double nextDouble()
  53.     {
  54.         return Double.parseDouble(next());
  55.     }
  56.  
  57.     public long nextLong()
  58.     {
  59.         return Long.parseLong(next());
  60.     }
  61.  
  62.     public int convtoInt(String a)
  63.     {
  64.         return Integer.parseInt(a);
  65.     }
  66.  
  67.     public double convtoDouble(String a)
  68.     {
  69.         return Double.parseDouble(a);
  70.     }
  71.  
  72.     public long convtoLong(String a)
  73.     {
  74.         return Long.parseLong(a);
  75.     }
  76. }
Runtime error #stdin #stdout 0.07s 380224KB
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4 6
6 9
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2
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https://ideone.com/JA1g63
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
secret

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