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

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

current = a[0]
count = 1
for num in a[1:]:
    if num == current + 1:
        count += 1
    else:
        segments.append(count)
        count = 1
    current = num
segments.append(count)

xor_sum = 0
for k in segments:
    xor_sum ^= (k % 2)

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