#include<iostream>
using namespace std;
int main()
{ int n,a,b,s=0,k=0;
cout<<"Numarul:";cin>>n;
cout<<"Capat interval:";cin>>a;
cout<<"Capat interval:";cin>>b;
while(n)
{
if(n%10>=a && n%10<=b)
{
s=s+n%10;
k++;
}
n=n/10;
}
cout<<"Media aritmetica:"<<(float)s/k;
}