"Then lie on your left side and put the sin of the house of Israel upon yourself. You are to bear their sin for the number of days you lie on your side.
References for Ezekiel 4:4
I have assigned you the same number of days as the years of their sin. So for 390 days you will bear the sin of the house of Israel.
"After you have finished this, lie down again, this time on your right side, and bear the sin1 of the house of Judah. I have assigned you 40 days, a day for each year.2
References for Ezekiel 4:6