Compress the String

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Level MEDIUM

Write a program to do basic string compression. For a character which is consecutively repeated more than once, replace consecutive duplicate occurrences with the count of repetitions.

For e.g. if a String has 'x' repeated 5 times, replace this "xxxxx" with "x5".

Note : Consecutive count of every character in input string is less than equal to 9.

Input Format :
String S
Output Format :
Compressed string
Constraints :
0 <= |S| <= 10^7
where |S| represents the length of string, S.
Sample Input 1 :
aaabbccdsa
Sample Output 1 :
a3b2c2dsa
Sample Input 2 :
aaabbcddeeeee
Sample Output 2 :
a3b2cd2e5

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