#include <iostream>
#include <string>
using namespace std;
int main ()
{
//IN;
string A, B;
int case_i=0;
while (1)
{
cin>>A>>B;
if (A=="END" && B=="END") break;
case_i++;
//OUT;
int arrA[128], arrB[128];
for (int i=32; i<=126; i++)
{
arrA[i]=0;
arrB[i]=0;
}
int lenA=A.length();
int lenB=B.length();
for (int i=0; i<lenA; i++)
{
int cs=A[i]-0;
arrA[cs]++;
}
for (int i=0; i<lenB; i++)
{
int cs=B[i]-0;
arrB[cs]++;
}
int kt=1;
for (int i=97; i<=122; i++)
{
if (arrA[i]!=arrB[i])
{
kt=0;
break;
}
}
if (kt==1) cout<<"Case "<<case_i<<": same"<<endl;
else cout<<"Case "<<case_i<<": different"<<endl;
}
return 0;
}
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