var
k, b, t: integer;
begin
for b := 1 to 10 do
for k := 1 to 20 do
for t := 1 to 200 do
if (b * 10 + k * 5 + t * 0.5 = 100) and (b + k + t = 100) then
writeln('bykov=', b, ' korov=', k, ' telyat=', t);
readln;
end.