import statistics as s

def quartiles(n,arr):
arr.sort()
m = int(n/2)
a = int(s.median(arr[:m]))
b = arr[m]
c = int(s.median(arr[m+1:]))
if n%2 == 0:
return print(f"{a}\n{b-1}\n{c-1}")
else:
return print(f"{a}\n{b}\n{c}")