Problem
Given a string S and a character C, print the index (0-based) of the second occurrence of C. If not found, print -1.
Input format
Input
input.txt
- String S (1–100) - Character C
Output format
Output
output.txt
- Integer: index of second occurrence or -1
Example
input
banana a
output
3
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Sample cases (from the problem)
Sample Case 1
Input
banana a
Expected output
3
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