# We have a number of bunnies and each bunny has two big floppy ears.
# We want to compute the total number of ears across all the bunnies recursively (without loops or multiplication).

def total_ears(n):
    if n > 1:
        return 2 + total_ears(n-1)
    else:
        return 2

print(total_ears(13))

def x(n):
    r=0
    for i in range(n):
        r+=2
    return r
print(x(13))
