You are given an array a consisting of n integers. Each a_i is one of the six following numbers: 4, 8, 15, 16, 23, 42.

Your task is to remove the minimum number of elements to make this array good.

An array of length k is called good if k is divisible by 6 and it is possible to split it into k/6 subsequences 4, 8, 15, 16, 23, 42.

Examples of good arrays:

  * [4, 8, 15, 16, 23, 42] (the whole array is a required sequence); 
  * [4, 8, 4, 15, 16, 8, 23, 15, 16, 42, 23, 42] (the first sequence is formed from first, second, fourth, fifth, seventh and tenth elements and the second one is formed from remaining elements); 
  * [] (the empty array is good). 



Examples of bad arrays: 

  * [4, 8, 15, 16, 42, 23] (the order of elements should be exactly 4, 8, 15, 16, 23, 42); 
  * [4, 8, 15, 16, 23, 42, 4] (the length of the array is not divisible by 6); 
  * [4, 8, 15, 16, 23, 42, 4, 8, 15, 16, 23, 23] (the first sequence can be formed from first six elements but the remaining array cannot form the required sequence). 

Input

The first line of the input contains one integer n (1 ≤ n ≤ 5 ⋅ 10^5) — the number of elements in a.

The second line of the input contains n integers a_1, a_2, ..., a_n (each a_i is one of the following numbers: 4, 8, 15, 16, 23, 42), where a_i is the i-th element of a.

Output

Print one integer — the minimum number of elements you have to remove to obtain a good array.

Examples

Input


5
4 8 15 16 23


Output


5


Input


12
4 8 4 15 16 8 23 15 16 42 23 42


Output


0


Input


15
4 8 4 8 15 16 8 16 23 15 16 4 42 23 42


Output


3
nElementos = int(input())

listaBom = [4,8,15,16,23,42]

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

lista4 = []
lista8 = []
lista15 = []
lista16 = []
lista23 = []
lista42 = []

for i in range(len(lista)):
    if lista[i] == 4:
        lista4.append(i)
    elif lista[i] == 8:
        lista8.append(i)
    elif lista[i] == 15:
        lista15.append(i)
    elif lista[i] == 16:
        lista16.append(i)
    elif lista[i] == 23:
        lista23.append(i)
    elif lista[i] == 42:
        lista42.append(i)

lista4.sort(reverse=True)
lista8.sort(reverse=True)
lista15.sort(reverse=True)
lista16.sort(reverse=True)
lista23.sort(reverse=True)
lista42.sort(reverse=True)



removidos = 0
while len(lista4) != 0 and len(lista8) != 0 and len(lista15) != 0 and len(lista16) != 0 and len(lista23) != 0 and len(lista42) != 0:
    if lista4[-1] > lista8[-1]:
        lista8.pop()
        removidos +=1
    elif lista8[-1] > lista15[-1]:
        lista15.pop()
        removidos +=1
    elif lista15[-1] > lista16[-1]:
        lista16.pop()
        removidos +=1
    elif lista16[-1] > lista23[-1]:
        lista23.pop()
        removidos +=1
    elif lista23[-1] > lista42[-1]:
        lista42.pop()
        removidos +=1
    else:
        lista4.pop()
        lista8.pop()
        lista15.pop()
        lista16.pop()
        lista23.pop()
        lista42.pop()
removidos += len(lista4) + len(lista8) + len(lista15) + len(lista16) +len(lista23) + len(lista42)
print(removidos)
