Kertoma

def check(arr, arr3, arr4, arr5, arr6):
  if arr == arr3 or arr == arr4 or arr == arr5 or arr == arr6:
    return True
  return False
 
def ans(arr):
  if arr == arr3:
      return 3
  if arr == arr4:
      return 4
  if arr == arr5:
      return 5
  if arr == arr6:
      return 6
 
 
 
 
arr = list(map(int, input().split()))
leng = sum(arr)
 
arr3 = [0, 0, 0, 0, 0, 0, 1, 0, 0, 0]
arr4 = [0, 0, 1, 0, 1, 0, 0, 0, 0, 0]
arr5 = [1, 1, 1, 0, 0, 0, 0, 0, 0, 0]
arr6 = [1, 0, 1, 0, 0, 0, 0, 1, 0, 0]
 
if check(arr, arr3, arr4, arr5, arr6):
  print(ans(arr))
  quit()
 
beg = 1
 
for i in range(2, 10**10):
  beg *= i
  if len(str(beg)) == leng:
    print(i)
    break

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

Test 7

Group: 2, 3

Verdict: ACCEPTED

Test 8

Group: 2, 3

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: ACCEPTED

Test 10

Group: 2, 3

Verdict: ACCEPTED

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

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED