// Contoh Bab 05: memproses bilangan digit demi digit.
//
// Compile:  g++ -std=c++17 -O2 -o digitloop exercises/05/05-digit.cpp
// Jalankan: ./digitloop

#include <iostream>
using namespace std;

int main() {
    long long n = 4071;
    long long salinan = n;
    int jumlah = 0;

    while (salinan > 0) {
        int digit = salinan % 10;
        jumlah += digit;
        salinan /= 10;
    }

    cout << "jumlah digit " << n << " = " << jumlah << "\n";
    return 0;
}