#include <iostream>
#include <atcoder/all>
#include <vector>
#include <map>

using namespace std;
using namespace atcoder;

using mint=modint1000000007;

mint retsum(string n){
    mint t=mint(n.back()-'0');
    if(n.length()==1) return t*(t+1)/2;
    string s=n.substr(0,n.length()-1);
    string sminus1=s;

    for(int d=s.length()-1;d>=0;d--){
        if(s[d]=='0'){
            sminus1[d]='9';
        }else{
            sminus1[d]=s[d]-1;
            break;
        }
    }

    return t*(t+1)*retsum(s)/2+(t+10)*(9-t)*retsum(sminus1)/2+45;
}

int main(){
    string n;
    vector<mint> su;
    map<string,mint> dp;
    cin>>n;
    
    cout<<retsum(n).val()<<endl;

    return 0;
}