program questionreponse;
uses crt;
var
rep: integer;
begin
clrscr;
repeat
writeln('1. Oui');
writeln('2. Non');
readln(rep);
case rep of
1: writeln('Vous avez répondu Oui');
2: writeln('Vous avez répondu Non');
else
writeln('Réponse impossible');
end;
writeln;
until rep< 3;
readln;
end.