.include "D:\4th years\INTRODUCTION TO VERY LARGE SCALE INTEGRATED\necessary file\morbn20.md"
VDD VDD GND 5
VA A GND BIT ({00001111}) AC 5
VB B GND BIT ({00110011}) AC 5
VCin Cin GND BIT ({01010101}) AC 5

.tran/op 1n 80n method=bdf

.print tran v(A) v(B) v(Cin) v(Sum) v(Cout)