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

count = 0
current_length = 1

for i in range(1, n):
    if a[i] == a[i-1] + 1:
        current_length += 1
    else:
        if current_length % 2 == 1:
            count += 1
        current_length = 1

# Check the last group
if current_length % 2 == 1:
    count += 1

print("First" if count % 2 == 1 else "Second")