def main():
  S = input()
  ans = []
  for i in range(len(S) - 1):
  	ans.append(S[i])
  	if not S[i] in '0123456789' and S[i + 1] in '0123456789':
  		ans.reverse()
  ans = ''.join(ans)
  print(ans)
    
if __name__ == '__main__':
    main()