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  1. program ideone;
  2. var a, b, max: real;
  3. begin
  4. Read (a);
  5. Read (b);
  6. begin
  7. if a>b then
  8. max:=a
  9. else
  10. max:=b;
  11. end;
  12. end.
Runtime error #stdin #stdout #stderr 0s 9136KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
./prog: attempt to read past end of Input (error #454 at 402a9b)