Merkkijono

ABC = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
String = input()
MoveList = []
I = 0
while 42:
	Start = String.find("A")
	Seg = "A"
	J = 0
	while len(Seg) < 26:
		J += 1
		if Seg + String[(Start + J) % 26] in ABC:
			Seg = Seg + String[(Start + J) % 26]
		else:
			break
	if len(Seg) == 26:
		break
	if (ABC.index(String[I]) - ABC.index(String[I + 1]) > 0):
		String = String.replace(String[I:I + 2], String[I + 1] + String[I])
		MoveList.append("SWAP")
	print("B", String)
	MoveList.append("MOVE")
	I += 1
print(len(MoveList))
for L in MoveList:
	print(L)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    if (ABC.index(String[I]) - ABC.index(String[I + 1]) > 0):
IndexError: string index out of range

Test 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    if (ABC.index(String[I]) - ABC.index(String[I + 1]) > 0):
IndexError: string index out of range

Test 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    if (ABC.index(String[I]) - ABC.index(String[I + 1]) > 0):
IndexError: string index out of range

Test 5

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    if (ABC.index(String[I]) - ABC.index(String[I + 1]) > 0):
IndexError: string index out of range