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  1. program ideone;
  2. var a,s: integer;
  3. begin
  4. s:=0;
  5. readln(a);
  6. while a <>0 do
  7. begin
  8. if a mod 7 mod 10=3 then
  9. begin
  10. s:=s+a;
  11. end;
  12. readln (a);
  13. end;
  14. if s>0 then writeln (s)
  15. else writeln ('NO');
  16. end.
Success #stdin #stdout 0s 5280KB
stdin
33
63
17
24
53
0
stdout
41