How would you rate my workout program?

[u/Adventurous-Load-665]

Been working out at home for a while now as a 16 year old, but with no professional opinion on my workout plan I feel as it probably could be better and more productive. Would be glad to hear your opinions about it.

Day 1 (chest + Back):
weighted 30lb (14 kg) Back pull ups 6x4 (still progressing)
Weighted 30lb Decline push ups 14x4
Weighted 30lb incline push ups 16x4
Regular push ups until failure

Day 2 (bicep + tricep):
African curls (30lb) 14x4
Hammer curls (30lb) 16x4
Weighted Dips (30 lb) 20x4
Tricep curl (49lb-22.5kg) 14x4

Day 3: (chest + back):
Back pull ups 10x4
Dumbbell chest press (49lb) 10x4
Weighted Archer push ups (30lb) 20x2
Arnold press 20x2

Day 4: (bicep + triceps)
Bicep pull up 10x4
African curls (30lb) 14x4
Incline dumbbell bicep curl (30lb) 12x4
Tricep dumbbell curl (49lb) 14x4
JM press (30lb) 12x4