##name = "Liza"
##num = 15
##num_2 = 45.5
##
##print(num, num_2, name)
##temp = str(float(int(input("Input value: "))))  # Ввожу переменную temp
##print(temp)


# +
# -
# *
# /
# %
# //
# **

# ==     
# !=
# >
# <
# >= 
# <=
# or
# and
# True and False

##age = int(input())
##
##if age > 18:
##    print("ok")
##else:
##    if age%2 == 0:
##        print("B")
##    if age %3 == 0
##        print("A")
##    if age%2 != 0 and age%3!= 0:
##        pass
##    else:
##        print("C")

# a = a + 5  <=> a+=5
# a = a - 5 <=> a-=5


A = [2,3,5,1,0,12,65]
##ln = len(A)
##minn = min(A)
##maxx = max(A)
##print(ln, minn, maxx)
##A.append(13)
##A.insert(3,18)
##print(A)

for i in range(0,len(A)):
    if i%2 == 0:
        A[i] = 0

print(A)








    

