3. Tens digit
You are not logged in.
Input
Goal output
Your output
  • 0
    0
    0
  • 7
    0
    7
  • 10
    1
    10
  • 42
    4
    42
  • 99
    9
    99
  • 100
    0
    100
  • 123
    2
    123
  • 908
    0
    908
Some tests failed