#include <bits/stdc++.h>
#define int long long
#define lson k<<1
#define rson (k<<1)|1
#define debug cout<<666<<endl;
using namespace std;
const int N=1e6+5;
void vision()
{
	int test=1;
	int x,y;
	while(cin>>x>>y){
		if(x>y)swap(x,y);
		int ans=0;
		for(int i=x;i*i*i<=1e9+3&&i<=y;i++){
			for(int j=x;j*j*j<=1e9+3&&j<=y;j++){
				int tmp=i*i*i+j*j*j;
				int hh=tmp/10;
				if(tmp%10==3&&hh>=x&&hh<=y)ans++;
			}
		}
		cout<<"Case "<<test<<": ";
		test++;
		cout<<ans<<"\n";
	}
	return ;
}
signed main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);
	int t=1;
	// cin>>t;
	while(t--){
		vision();
	}
	return 0;
}