#include <cstdlib>
#include <iostream>

using namespace std;

int main(int argc, char *argv[])
{
    int n, k;
    cout<<"Enter number";
    cin>>n;

    do{
       cout<< "Vvedi chislo\n";
       cin >> n;
    }
     while(n>0);
     while( n > 0)
     {
     k+= 1;
     n += n / 10;
     }

    cout<<"Êîëè÷åñòâî öèôð"<<k;


    system("PAUSE");
    return EXIT_SUCCESS;
}