a = 1
n = 4 #odd
b = 3 #even
while a != -1:
a = int(input("Insert number:"))
if a == -1:
break
if > b
b += 1
if a > n
n += 1
print(odd)
a = 1
n = 4 #odd
b = 3 #even
while a != -1:
a = int(input("Insert number:"))
if a == -1:
break
if > b
b += 1
if a > n
n += 1
print(odd)