var
x, y, z: integer;
begin
readln (x);
readln (y);
readln (z);
if (x mod 3 = 0) and (y mod 3 = 0)
and (z mod 3 = 0)
then writeln (true)
else writeln (false);
end.
var
x, y, z: integer;
begin
readln (x);
readln (y);
readln (z);
if (x mod 3 = 0) and (y mod 3 = 0)
and (z mod 3 = 0)
then writeln (true)
else writeln (false);
end.