Program to Find 2 Elements in the Array such that Difference between them is Largest

a=list(map(int,input().split()))

diff=a[1]-a[0]

minele=a[0]

for i in range(1,len(a)):

    if a[i]-minele>diff:

        diff=a[i]-minele

    if a[i]<minele:

        minele=a[i]

print(diff)

Input

1 5 9 3 4 8

Output

8