Simple but not working

Development Programming & Scripting Blueprint
1

I made this and I expect print result to be 3 4, 4 3 and 3 3 and never 4 4 but sometimes 4 4 is printed

2

it should not be 3 3 either but it prints it

3

If Rand = 1, then top is 3 and bottom is 4 … 34
If Rand = 2, then top is 4 and bottom is 4 … 44