Mediummathloops
Armstrong Number
Time limit 2 s · Memory 64 MBAcceptance: —Solved by: 0
Statement
You are given an integer n. Print YES if it is an Armstrong number, otherwise NO. A k-digit Armstrong number equals the sum of the k-th powers of its digits: for example, 153 = 1^3 + 5^3 + 3^3.
Examples
Example 1
Input
153
Output
YES
Example 2
Input
100
Output
NO
Constraints
- 1 ≤ n ≤ 10^9