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  1. program Suma;
  2. var s,a:integer;
  3. begin
  4. readln(a);
  5. while a>0 do
  6. begin
  7. s:=s+a;
  8. readln(a);
  9. end;
  10. writeln('sumata na chislata e=',s);
  11. end.
Success #stdin #stdout 0s 340KB
stdin
Standard input is empty
stdout
sumata na chislata e=0