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  1. program ideone;
  2.  
  3.  
  4. function SumNum(sum,num:integer):integer;
  5. begin
  6. if 0 = num then
  7. begin
  8. SumNum:=sum;
  9. exit;
  10. end;
  11. SumNum := SumNum(sum + num mod 10,num div 10);
  12. end;
  13.  
  14. begin
  15.  
  16. Writeln(SumNum(0,1234));
  17.  
  18. end.
Success #stdin #stdout 0s 5568KB
stdin
Standard input is empty
stdout
10