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- #include <iostream>
- #include <cmath>
- using namespace std;
- int SumOfDigits (int n)
- {
- int k=0,sum=0;
- while (n>0)
- {
- k=n%10;
- sum+=k;
- n/=10;
- }
- return sum;
- }
- int main()
- {
- int n;
- cin>>n;
- cout<<SumOfDigits(n);
- return 0;
- }
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