n, *rest = map(int, open(0).read().split())
a = rest[:n]
a.sort()

groups = []
if n == 0:
    print("Second")
    exit()
current = a[0]
count = 1
for num in a[1:]:
    if num == current + 1:
        count += 1
    else:
        groups.append(count)
        count = 1
    current = num
groups.append(count)

xor = 0
for m in groups:
    xor ^= (m % 2)

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