#include "spy.nqh"     // every Spybot program needs this

task main()
{
  OnFwd(OUT_A+OUT_B);  // both drives ahead
  Wait(300);           // run for 3 seconds
  OnRev(OUT_A+OUT_B);  // both drives back
  Wait(300);           // run for 3 seconds
  Off(OUT_A+OUT_B);    // stop
}