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Extract Digits:

Given a string, print a number num by extracting all the digits from str in the same order as in str.

Print a negative number num if the first character in str is '-'.

Input format:

Read the string str from the standard input stream.

Output format:

Print the number num to the standard output stream.

Assumption(s):

• String str will have at least one integer and will not be empty.

Smaple Input:

Enter any string: 345

Sample Output:

The number = 345

Sample Input:

Enter any string: -45134

Sample Output:

The number = -45134