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  1. #include <iostream>
  2. //using namespace std;
  3. int IsPrime(int n)
  4. {
  5.     if (n < 2)
  6.     return 0;
  7.     int k = n / 2;
  8.     while (n % k)
  9.     {
  10.         k--;
  11.     }
  12.     return(k > 1)?0:n;
  13. }
  14. main()
  15. {
  16.     int a, b, c, s;
  17.     std::cin >> a >> b >> c;
  18.     s=IsPrime(a)+IsPrime(b)+IsPrime(c);
  19.     std::cout << s << "\n";
  20.     std::cout << ((IsPrime(s))?"Yes":"No");
  21. }
Success #stdin #stdout 0.01s 5540KB
comments (?)
stdin
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3 5 11
stdout
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19
Yes
https://ideone.com/KBX6O8
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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