132. Armstrong Number
EasyDigits
A k-digit number is an Armstrong number if the sum of its digits each raised to the power k equals the number (153 = 1³ + 5³ + 3³). Print YES or NO.
Input format
A single integer n.
Output format
YES or NO
Example 1
Input
153
Output
YES
Example 2
Input
370
Output
YES
Constraints
1 ≤ n ≤ 10¹⁸
Read input from standard input and print the answer to standard output. Your code is judged against 6 test cases, most of them hidden.
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