# your code goes here
import time
start = time.time()
a=[]
for i in range(100000): a.append(i)
end = time.time()
print(end-start)
start = time.time()
b=[i for i in range(100000) if i %2 ==0 ]
end = time.time()
print(end-start)
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCmltcG9ydCB0aW1lCnN0YXJ0ID0gdGltZS50aW1lKCkKYT1bXQpmb3IgaSBpbiByYW5nZSgxMDAwMDApOglhLmFwcGVuZChpKQoKZW5kID0gdGltZS50aW1lKCkKcHJpbnQoZW5kLXN0YXJ0KQoKc3RhcnQgPSB0aW1lLnRpbWUoKQpiPVtpIGZvciBpIGluIHJhbmdlKDEwMDAwMCkgaWYgaSAlMiA9PTAgXQoKZW5kID0gdGltZS50aW1lKCkKcHJpbnQoZW5kLXN0YXJ0KQo=