Competitions

# Remove even digits

Remove all even digits from the given positive integer.

#### Input

One positive integer n (n1018).

#### Output

Print the number n with all even digits removed. If the original number n contains only even digits, print 0.

Time limit 1 second
Memory limit 128 MiB
Input example #1
12345678901234

Output example #1
1357913

Input example #2
24642

Output example #2
0