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  1. program UpperLower;
  2. var
  3.   S: String;
  4.   I: Integer;
  5. begin
  6.   while not Eof do begin
  7.     readln(S);
  8.     for I:=1 to Length(S) do begin
  9.       case S[I] of
  10.         'a'..'z': Dec(S[I],$20);
  11.         'A'..'Z': Inc(S[I],$20);
  12.       end;
  13.     end;
  14.     writeln(S);
  15.   end;
  16.   writeln('EOF.');
  17. end.
Success #stdin #stdout 0.02s 208KB
comments (?)
stdin 
Free Pascal
Lazarus
Delphi
りんご
みかん
stdout 
fREE pASCAL
lAZARUS
dELPHI
りんご
みかん
EOF.
https://ideone.com/Xq2MjQ
language:
Pascal (fpc 3.0.4)
created:
12 years ago
visibility:
public

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