program test;
begin
writeln('1-1 2-2 3-3 4-4 5-5 (6-6) 7-7');
writeln(' 8-1 9- 2 10-3 11-4 12-5 (13-6) 14-7');
end.
program test;
begin
writeln('1-1 2-2 3-3 4-4 5-5 (6-6) 7-7');
writeln(' 8-1 9- 2 10-3 11-4 12-5 (13-6) 14-7');
end.