Digit Sum Mod 9
Medium
Computer Mathematics
Integers & Divisibility
37 views
Problem Statement
Given a big number as string, print its digit sum modulo 9.
Input Format
One line: digits string s.
Output Format
One integer 0-8.
Constraints
1
Input / Output Format
Input Format
One line: digits string s.
Output Format
One integer 0-8.
Constraints
1
Examples
Input:
999999999999
Output:
0
Example Solution (Public)
Sum digits, take modulo 9 while adding to avoid big numbers.
Official Solution Code
Sum digits, take modulo 9 while adding to avoid big numbers.
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