Update A2B.md

Author: Wizmann

content/Blog/A2B.md

@@ -751,6 +751,8 @@ X=1
 
 ### 5-3. A + B
 
+#### Solution 1 (14 lines)
+
 > Not a good solution
 
 ```
@@ -770,6 +772,19 @@ x+=(start)y|
 (start)0=
 ```
 
+#### Solution 2 (8 lines)
+
+```
++1 = |x+
++0 = |+
+x| = |xx
+| = 
+1x = x0
+0x = 1
+x = 1
++ =
+```
+
 ### 5-4. A - B
 
 > Not a good solution, too
@@ -835,4 +850,4 @@ a=helloworld
 [1]: https://en.wikipedia.org/wiki/Parity_(mathematics)
 [2]: https://en.wikipedia.org/wiki/Least_common_multiple
 [3]: https://web.stanford.edu/class/archive/cs/cs103/cs103.1176/lectures/20/Small20.pdf
-[4]: https://github.com/Wizmann/a2b-lang
+[4]: https://github.com/Wizmann/a2b-lang