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A. Mysterious strings
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
Input

The input contains a single integer a (1 ≤ a ≤ 40).

Output

Output a single string.

Examples
Input
2
Output
Adams
Input
8
Output
Van Buren
Input
29
Output
Harding