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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. string S;cin >> S;
  7. int sum = 0;
  8. for (int i = 0; i < S.length(); i++)
  9. {
  10. sum += S[i] - '0';
  11. }
  12. cout << sum;
  13. }
Success #stdin #stdout 0.01s 5296KB
stdin
Standard input is empty
stdout
Standard output is empty