#for num in range(1,21):
    #print(num)

#num = list(range(1,11))
#print(min(num))
#print(max(num))
#print(sum(num))

#num= list(range(1,21,2))
#for nums in num:
    #print(nums)

num = list(range(3,31,3))
for nums in num:
    print(nums)
