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

groups = []
if n == 0:
    print("Second")
    exit()

current_length = 1
for i in range(1, n):
    if a[i] == a[i-1] + 1:
        current_length += 1
    else:
        groups.append(current_length)
        current_length = 1
groups.append(current_length)

xor_sum = 0
for k in groups:
    if k == 2 or k % 2 == 1:
        xor_sum ^= 1
    else:
        xor_sum ^= 0

print("First" if xor_sum != 0 else "Second")