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Sum of Digits from Input

Read a non-negative whole number and print the sum of its digits. For the input 123, print the output shown in Expected Output.

Expected Output:

6

= newline. The output ends with a newline — print one after the last line.

Hints4 available
Topics:
User Input
📥 Auto-Input:
123
This input is automatically fed to your program's stdin
1
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Your Output

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Test Cases

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