Hello

a = [100, 400, 4, 8, 3, 15, 66, 99]
n = 8
S = 0

for i in range(0, n):
    if(a[i] > 99) & (a[i] < 1000) & (a[i] % 5 == 0) & (a[i] > S):
        S = a[i]
if S == 0:
    print("No")
else:
    print(S)