public class HitungDigit {
    public static void main(String[] args) {
        int bilangan = 987654;
        int sisa = bilangan;
        int banyakDigit = 0;

        while (sisa != 0) {
            sisa = sisa / 10;   // buang satu digit terakhir
            banyakDigit++;
        }

        System.out.println(bilangan + " memiliki " + banyakDigit + " digit.");
    }
}