var
r, d, kurs: integer;
begin
kurs:=30;
for d:=1 to 20 do
begin
r:=d*kurs;
writeln(d,'$',' ',r, 'рублей');
end;
end.
var
r, d, kurs: integer;
begin
kurs:=30;
for d:=1 to 20 do
begin
r:=d*kurs;
writeln(d,'$',' ',r, 'рублей');
end;
end.