#Write a program that reads one positive integer n and prints all even 
#integers between 1 and n inclusive (write two different solutions, one 
#using if statement, and one without using if statement). 

print("Solution 1")
n=int(input("enter int "))
i=1
while(i<=n):
	if(i%2==0):
		print(i)
	i+=1

print("Solution 2")
i=2
while(i<=n):
	print(i)
	i+=2

print("End of the program")