'''
Welcome to GDB Online.
GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl,
C#, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog.
Code, Compile, Run and Debug online from anywhere in world.
'''
import re
split_pat = re.compile(r'(\d+)')
splitted = split_pat.split('1ам8мб2в3г4де')
splitted[1::2] = reversed(splitted[1::2])
print(''.join(splitted))