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

blocks = []
prev = -10**18
current_length = 0

for num in a:
    if num == prev + 1:
        current_length += 1
    else:
        if prev != -10**18:
            blocks.append(current_length)
            current_length = 1
        else:
            current_length = 1
    prev = num
blocks.append(current_length)

xor_sum = 0
for l in blocks:
    xor_sum ^= (l % 2)

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