uses crt;
var n:word;
begin
clrscr;
repeat
write('n < 1000 n=');
readln(n);
write(n);
until n<1000;
if n in [11..14] then write(' дней')
else
case n mod 10 of
1:write(' день');
2,3,4:write(' дня');
else write(' дней');
end;
readln
end.
uses crt;
var n:word;
begin
clrscr;
repeat
write('n < 1000 n=');
readln(n);
write(n);
until n<1000;
if n in [11..14] then write(' дней')
else
case n mod 10 of
1:write(' день');
2,3,4:write(' дня');
else write(' дней');
end;
readln
end.