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a53

9lan

a53
Apr 2nd, 2020
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0
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  1. #include <fstream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. int n;
  7. ifstream f("9lan.in");
  8. f>>n;
  9. f.close();
  10. ofstream g("9lan.out");
  11. if(n==0)
  12. g<<1<<'\n';
  13. else
  14. switch(n%2)
  15. {
  16. case 0:g<<1<<'\n';break;
  17. case 1:g<<9<<'\n';break;
  18. }
  19. g.close();
  20. return 0;
  21. }
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