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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int n;
  6. cin >> n;
  7. int x = ((n+1)*2+3)*4;
  8. cout << x << endl;
  9. return 0;
  10. }
  11.  
Success #stdin #stdout 0.01s 5280KB
stdin
5
stdout
60