// Level 1 - Homework 1 - Question U - Solution 1.
#include <iostream>
#include <string>
using namespace std;
int main()
{
int N = 0;
int A = 0;
int B = 0;
cin >> N >> A >> B;
int Answer = 0;
for(int i = 1; i <= N; ++i)
{
int Sum = 0;
string Basel = to_string(i);
for(int j = 0; j < Basel.size(); ++j)
{
Sum += Basel[j] - 48;
}
if(Sum >= A && Sum <= B)
Answer += i;
}
cout << Answer << endl;
return 0;
}
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