Read a non-negative integer n and a digit d. Print the number obtained from n by removing all occurrences of digit d, keeping the order of the remaining digits. If all digits of n equal d, print 0.
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Problem
Input format
Input
input.txt
The program reads from standard input two non-negative integers, `n` and `d`, separated by a space. - `0 <= n <= 1000000000` - `0 <= d <= 9` - if no digits remain after removal, print `0`
Output format
Output
output.txt
The program prints to standard output a single non-negative integer: the value obtained after removing digit `d`, followed by a newline.
Example
input
1223344 2
output
13344
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Sample cases (from the problem)
Sample Case 1
Input
1223344 2
Expected output
13344
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