#include <iostream>
using namespace std;
int main()
{
int n,a,b,sum=0,v,r,m,x=0;
cin>>n>>a>>b;
for(int i=1;i<=n;i++)
{
m=i;
while(m!=0)
{
m=m/10;
r=m%10;
x+=r;
}
if(x>=a&&x<=b)
sum+=i;
x=0;
}
cout<<sum;
return 0;
}
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