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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. int n;
  7. cin >> n;
  8. int sum = (n / 100) + ((n / 10) % 10) + (n % 10);
  9. cout << sum << endl;
  10. return 0;
  11. }
Success #stdin #stdout 0s 16048KB
stdin
179
stdout
17