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

groups = []
prev = a[0]
current_length = 1

for num in a[1:]:
    if num - prev == 1:
        current_length += 1
    else:
        groups.append(current_length)
        current_length = 1
    prev = num
groups.append(current_length)

xor_sum = 0
for length in groups:
    xor_sum ^= (length % 2)

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