Untitled

#include <iostream>
using namespace std;


//ostream &operator<< (ostream& out,const aboba &a) {
//   out << a.name << " " << a.surname;
//   return out;
//}
int dis(int a,int f) {
   
    while (a != 0) {

        a = a / 10;
        f++;
    }
    return f;
}



int main()
{
    
    int a,f=0 ;
    
    //int temp, f =0;
    cin >> a;
    cout << dis(a,f);
    
    
   
    
  

}