Task 4

Output the solution to the problem, based on the variant number n.

n=1: Determine the count of two-digit numbers where the digits are in descending order.

n=2: Determine the count of two-digit numbers where the digits are in ascending order.

n=3: Determine the count of two-digit numbers where both digits have the same parity.

n=4: Calculate the sum of all two-digit numbers where both digits are identical.

n=5: Calculate the sum of all two-digit numbers where both digits are even.

n=6: Calculate the sum of all two-digit numbers where both digits are odd.

Input Data:

A single integer n, where 1 ≤ n ≤ 6

Output Data:

Provide the solution to the problem corresponding to the variant number n.

Examples