import sys
sys.setrecursionlimit(100000000)
MOD = 10 ** 9 + 7
INF = 10 ** 15

def main():  
    N = int(input())
    A = list(map(int,input().split()))
    M = A[-1] - A[0]
    m = INF
    for i in range(N - 1):
        m = min(m,A[i + 1] - A[i])
    print(m)
    print(M)
if __name__ == '__main__':
    main()