program samoglasnik;
uses crt;
var a:string;
    i,s:integer;
begin
readln (a);
for i:=1 to length (a) do
begin
if (a[i]:='a') or (a[i]:='e') or (a[i]:='i') or (a[i]:='o') or (a[i]:='u') or (a[i]:='A') or (a[i]:='E') or (a[i]:='I') or (a[i]:='O') or (a[i]:='U') then s:=s+1;
if (a[i]:='a') or (a[i]:='e') or (a[i]:='i') or (a[i]:='o') or (a[i]:='u') then a[i]:='X';
if (a[i]:='A') or (a[i]:='E') or (a[i]:='I') or (a[i]:='O') or (a[i]:='U') then a[i]:='x';
end;
writeln (s);
writeln (a);
readln;
end.