a,b=map(int,input().split(" "))
def transform(a,b,temp,result):
if a>b:
return
if a==b:
result.append(temp.copy())
return
temp.append(2*a)
transform(2*a,b,temp,result)
temp.pop()
temp.append(10*a+1)
transform(10*a+1,b,temp,result)
temp.pop()
temp=[]
result=[]
temp.append(a)
transform(a,b,temp,result)
if len(result)==0:
print("NO")
else:
print("YES")
print(len(result[0]))
for i in result[0]:
print(i,end=" ")1351. Count Negative Numbers in a Sorted Matrix | 617. Merge Two Binary Trees |
1450. Number of Students Doing Homework at a Given Time | 700. Search in a Binary Search Tree |
590. N-ary Tree Postorder Traversal | 589. N-ary Tree Preorder Traversal |
1299. Replace Elements with Greatest Element on Right Side | 1768. Merge Strings Alternately |
561. Array Partition I | 1374. Generate a String With Characters That Have Odd Counts |
1822. Sign of the Product of an Array | 1464. Maximum Product of Two Elements in an Array |
1323. Maximum 69 Number | 832. Flipping an Image |
1295. Find Numbers with Even Number of Digits | 1704. Determine if String Halves Are Alike |
1732. Find the Highest Altitude | 709. To Lower Case |
1688. Count of Matches in Tournament | 1684. Count the Number of Consistent Strings |
1588. Sum of All Odd Length Subarrays | 1662. Check If Two String Arrays are Equivalent |
1832. Check if the Sentence Is Pangram | 1678. Goal Parser Interpretation |
1389. Create Target Array in the Given Order | 1313. Decompress Run-Length Encoded List |
1281. Subtract the Product and Sum of Digits of an Integer | 1342. Number of Steps to Reduce a Number to Zero |
1528. Shuffle String | 1365. How Many Numbers Are Smaller Than the Current Number |