Given 3 numbers, our task is to determine how many of those are equal to each other.

- If all 3 of those are equal, the program should output 3.

- If two of those are equal and one is different, the program should output 2.

- If all of the numbers are different, the program should output 1.

Input | Output |

4
3
3 | 2 |

10
1
0 | 1 |

Tip: You can use the transitivity of comparison operators.