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Competitions

PP2. Week 2: March 8 - 14

Number of maximal digits

Find out how many times the maximum digit appears in positive integer n.

Input

One positive integer n (n < 1018).

Output

Print how many times the maximum digit appears in positive integer n.

Time limit 1 second
Memory limit 128 MiB
Input example #1
2354
Output example #1
1