The K-th Power Of Two Number
Print the K-th of the powers of two (1, 2, 4, 8, ...) (1-indexed).
Input: one integer K.
Output: the K-th such number.
Constraints:
- 1 ≤ K ≤ 59
Sample Tests
Input 1
3
Output 1
4
Input 2
1
Output 2
1
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