Problem Description

You are given two strings $ s $ and $ t $ of length $ 3 $ consisting only of uppercase and lowercase English letters.

If $ s $ and $ t $ are exactly the same, including case differences, print same. If they are the same when case differences are ignored, print case-insensitive. If neither of these conditions is met, print different.

Input Format

The input is given from the standard input in the following format:

$ s $ $ t $

Output Format

Print the string as instructed in the problem statement.

Sample Input and Output

Sample Input #1

AbC
ABc

Sample Output #1

case-insensitive

Sample Input #2

xyz
xyz

Sample Output #2

same

Sample Input #3

aDs
kjH

Sample Output #3

different

Notes/Hints

Constraints

• $ s $ and $ t $ are strings of length $ 3 $ consisting only of uppercase and lowercase English letters.

Sample Explanation 1

• AbC and ABc match when case differences are ignored, so print case-insensitive.

Sample Explanation 2

• Both $ s $ and $ t $ are exactly xyz, so print same.

见题面 Input 部分

见题面 Output 部分