12665

#include <iostream>

using namespace std;

int main()
{
int a,b;
unsigned long long t;
int cnt,c=0;
while(cin>>a)
{
cin>>b;
int tmp=min(1001,b);
c++;
cnt=0;
for(int i=a;i<=tmp;i++)
{
for(int j=a;j<=tmp;j++)
{
t=(i*i*i)+(j*j*j);

if(t/10>b || t/10<a)
continue;

if(t%10==3)
cnt++;
}
}

cout<<"Case "<<c<<": "<<cnt<<"\n";

}

return 0;
}

 

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