Onnenluku

(alku, loppu) = [int(luku) for luku in input().split(" ")]
maara = 0

for i in range(alku, loppu + 1):
	mj = str(i)

	if "0" in mj: continue

	eriNum = \
	("1" in mj) + ("2" in mj) + ("3" in mj) + ("4" in mj) + ("5" in mj) + \
	("6" in mj) + ("7" in mj) + ("8" in mj) + ("9" in mj)

	if eriNum == 2:
		maara += 1

print(maara)

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED