Repent your sins, shave your head, cover your amply loins with sackcloth, sit at the temple gate and beg or drawn yourself in sarayu after praying for a cleaner life at least in the next birth. . .
By chanting Hare Krishna certainly we become free from all sinful reactions, but that does not mean that we shall deliberately commit SINS and counteract it by chanting.
Which when she shall be left by them, shall enjoy her sabbaths, being desolate for them. But they shall pray for their SINS, because they rejected my judgments, and despised my laws.