import sys
input = sys.stdin.readline

N=int(input())
A=list(map(int,input().split()))

MIN=1<<60
MAX=0

for i in range(N):
    for j in range(i+1,N):
        dis=abs(A[i]-A[j])

        MIN=min(MIN,dis)
        MAX=max(MAX,dis)

print(MIN)
print(MAX)