#include <iostream>
using namespace std;
int getDigits(int num)
{
int digits = 0;
while (num != 0)
{
num /= 10;
digits++;
}
return digits;
}
int main()
{
int num;
cout << "Enter a number: ";
cin >> num;
while (num != 0)
{
cout << "The number of digits in " << num << " is " << getDigits(num) << endl;
cout << "Enter a number: ";
cin >> num;
}
return 0;
}