Problem
Given a non-negative integer N and a digit D (0-9), check if D occurs in N using recursion.
Input format
Input
input.txt
- Two integers: N (0 ≤ N ≤ 100000), D (0 ≤ D ≤ 9)
Output format
Output
output.txt
- "YES" if D appears in N, "NO" otherwise
Example
input
12345 3
output
YES
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Sample cases (from the problem)
Sample Case 1
Input
12345 3
Expected output
YES
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