Make Files Equall :
Difficulty Level : Easy
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Given file1 and file2 of type string, you need to print the modification made in file1 to get file2. That if the element is removed from file1 to make file2 you need to append the -ve sign before it, If a new element is added in file1 to make a file, you need to append the +ve sign before it. (Similar to git diff)
Input
The fist line of input contains two strings st1 and str2($$$1 \le str1,str2 \le 10^5$$$) && ($$$ A \le str1[i] \le Z $$$).
Output
For each output print, the modification made separated with space
Example
Input
ABC BCDC
Output
-A B C +D
Note
Example:
File1: ABC
File2:BCD
Output will be : -A B C +D
