Who's last?
Very easy
Execution time limit is 1 second
Runtime memory usage limit is 64 megabytes
Olena is the second-to-last in the list of students in her class. Find the total number of students if Olena's position in the list is known.
Input Data:
A natural number.
Output Data:
The answer to the problem.
Examples
Input #1
Answer #1
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