Card game

n = int(input())
L = [int(x) for x in input().split()]

if n < 3:
    print(0)
else:
    list_max = [0,L[1],L[2],L[3],L[1]+L[4]]

    for i in range(5,n-1):
        list_max.append(max(list_max[i-3],list_max[i-4],list_max[i-5])+L[i])
    print(max(list_max[n-2],list_max[n-3],list_max[n-4]))

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 7, in <module>
    list_ma...

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED