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cupsamada

1.b

Nov 18th, 2019
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  1. #include<iostream>
  2. using namespace std;
  3. int main()
  4. {
  5. int n, c, rez=0, p=1;
  6. cin>>n;
  7. do
  8. {
  9. c=n%10;
  10. if(c==2 || c==3 || c==5 || c==7)
  11. {
  12. rez=rez+c*p;
  13. p=p*10;
  14.  
  15. }
  16. n=n/10;
  17. }while(n!=0);
  18. cout<<rez;
  19. }
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