36 lines
731 B
Plaintext
36 lines
731 B
Plaintext
program rot13;
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var
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line: string;
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function rot13(someText: string): string;
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var
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i: integer;
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ch: char;
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result: string;
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begin
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result := '';
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for i := 1 to Length(someText) do
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begin
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ch := someText[i];
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case ch of
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'A' .. 'M', 'a' .. 'm':
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ch := chr(ord(ch)+13);
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'N' .. 'Z', 'n' .. 'z':
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ch := chr(ord(ch)-13);
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end;
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result := result + ch;
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end;
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rot13 := result;
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end;
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begin
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while not eof(input) do
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begin
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readln(line);
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writeln(rot13(line));
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end;
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end.
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