#include<iostream> using namespace std; long long a,c=1; int main() { cin>>a; if(a<=0){ a = -1* a; } if(a == 0){ cout<<1; } for(long long s = a; s>=1; s--) { a = a/10; if(a == 0) { cout<<c; return 0; } c=c+1; } return 0 ; }