s1 = input("Введите слово: ")
i = 1
s2 = ""
for i in range(0, len(s1), 2) : 
    s2 += s1[i]
print(s2)

e2eca3c6c3d32adf716ad0115578af37b218a0be
<mask token>

<mask token>
for i in range(0, len(s1), 2):
    s2 += s1[i]
print(s2)

s1 = input('Введите слово: ')
i = 1
s2 = ''
for i in range(0, len(s1), 2):
    s2 += s1[i]
print(s2)

s1 = input("Введите слово: ")
i = 1
s2 = ""
for i in range(0, len(s1), 2) : 
    s2 += s1[i]
print(s2)
