/TRAU - Trâu và cỏ

<Problem>

http://ntucoder.net/Problem/Details/133
              USES CRT;
        var     n,m,i,j,temp1:longint;
                begin
                    readln(n,m);
                    for i:=1 to m div 5 do
                        for j:=1 to m div 3 do begin
                            temp1:=n-i-j;
                            if (((i*5)+(j*3)+(
                            temp1 div 3)=m)
                            and (temp1 mod 3=0) and (temp1>0)) then
                            begin
                                writeln(i,' ',j,' ',temp1);
                                exit;
                            end;
                        end;
                    writeln(-1);
                end.