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# Armstrong Number

Problem Description

Given an integer A, check if it is an Armstrong number of not.
An Armstrong number is a number that is the sum of its own digits each raised to the power of the number of digits.

Problem Constraints
1 <= A <= 109

Input Format
Given an integer A.

Output Format
Return an integer.

Example Input
Input 1:
```A = 371
```

Input 2:

```A = 123
```

Example Output
Output 1:
`1`

Output 2:

`0`

Example Explanation
Explanation 1:
`3×3×3 + 7×7×7 + 1×1×1 = 371`

Explanation 2:

`1×1×1 + 2×2×2 + 3×3×3 != 123`

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a question? Checkout Sample Codes for more details.
Hints
• Hint 1
• Solution Approach
• Complete Solution

## Discussion

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