threes = []
# Logic
if n % 3 == 0:
    for i in range(int(n / 3)):
        threes.append([mins[i], mins[i+1], mins[i+2]])
elif n % 3 == 1:
    for i in range(int(n / 3)):
        threes.append([mins[i], mins[i+1], mins[i+2]])
    threes.append([mins[-1]])
else:
    for i in range(int(n / 3)):
        threes.append([mins[i], mins[i + 1], mins[i + 2]])
    threes.append([mins[-1], mins[-2]])
# Finding Min
for i in range(len(threes)):
    tot += min(threes[i])