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#include <iostream>
#include <climits>

using namespace std;

int main(){
	unsigned long int zahl, quer = 0;
	cout << "ULONG_MAX: " << ULONG_MAX << endl;
	cout << "ULLONG_MAX: " << ULLONG_MAX << endl;
	cout << "Zahl eingeben: ";
	cin >> zahl;
	cout << "zahl: " << zahl << endl;
	for(; zahl>0; zahl /= 10) {
		quer += zahl%10;
	}
	cout << quer << endl;
	return 0;
}