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  1. using System;
  2.  
  3. public class Test
  4. {
  5. public static void Main()
  6. {
  7. string[] ip = Console.ReadLine().Split('.');
  8. string[] mask = Console.ReadLine().Split('.');
  9. for (int i=0; i < 4; i++)
  10. {
  11. if (i>0) Console.Write('.');
  12. Console.Write(int.Parse(ip[i]) & int.Parse(mask[i]));
  13. }
  14.  
  15. }
  16. }
Success #stdin #stdout 0.02s 14912KB
stdin
192.168.1.2
255.255.255.0
stdout
192.168.1.0