var
c: char;
u: word;
begin
read(c);
u := ord(c);
//
u := u xor (u shr 8);
u := u xor (u shr 4);
u := u xor (u shr 2);
u := u xor (u shr 1);
//
if (1 = u and 1) then
writeln('нечетное')
else
writeln('четное');
end.
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