cppSumOfDigitsVer1

#include <iostream>

int main()
{
    int number{123}; // 1 + 2 + 3 = 6
    // 123 / 10 = 12
    // 123 % 10 = 3

    std::cout << "Enter some three digit number to process...\n";
    std::cin >> number;

    int digitO{ number % 10 };
    //number = number / 10; // 123 / 10 = 12
    number /= 10; //12

    int digitT{ number % 10 }; // 12 / 10 =  1; 12 % 10 = 2
    number /= 10; //1

    int digitH{number % 10}; // 1 % 10 = 1

    int digitsSum{digitH + digitT + digitO};

    std::cout << "Sum of digits is " << digitsSum << '\n';
    return 0;
}