Input data,:
C = A "+" B
A: 0111 ,- 4 digits
B : 100010 ,- 6 digits
result : C: 0101010101 ,10 digits
C, is permanent constant !
How to calculate B, from A and C ?
What is a logic formula, "how to do it this ?".
Start of A,B,C is first ( left) numbers.