var
tmp,n,m,i,count:integer;
begin
readln(n);
readln(m);
if n > m then begin
tmp:=n;
n:=m;
m:=tmp;
end;
for i:= n to m do
if i mod 3 = 0 then
inc(count)
else
if i mod 4 = 0 then
dec(count);
if count = 0 then
writeln('ravno')
else
if count > 0 then
writeln('delishihsja na 3 boljshe')
else
writeln('delishihsja na 4 boljshe');
end.