str = input ("enter some string=")
i=0
while i<len(str):
	print (str[i])
	i=i+2
61e49af71a5079524cf3e818bf862aae968f25ec
<mask token>

<mask token>
while i < len(str):
    print(str[i])
    i = i + 2

str = input('enter some string=')
i = 0
while i < len(str):
    print(str[i])
    i = i + 2

str = input ("enter some string=")
i=0
while i<len(str):
	print (str[i])
	i=i+2