Problems
The number of specified digits
The number of specified digits
Count the number of digits a in number n.
Input data
The first line contains one 32-bit integer number n. Number n can be negative. The second line contains a single digit a.
Output data
Print the number of digits a in number n.
Examples
Input example #1
25557 5
Output example #1
3
Input example #2
100 0
Output example #2
2