def main():
    import sys
    input = sys.stdin.read().split()
    N = int(input[0])
    A = list(map(int, input[1:N+1]))
    A.sort()
    
    groups = []
    if N == 0:
        print("Second")
        return
    current = A[0]
    count = 1
    for i in range(1, N):
        if A[i] == A[i-1] + 1:
            count += 1
        else:
            groups.append(count)
            current = A[i]
            count = 1
    groups.append(count)
    
    xor = 0
    for m in groups:
        if m == 0:
            continue
        if m == 1:
            xor ^= 1
        elif m == 2:
            xor ^= 1
        else:
            idx = (m - 3) % 5
            g = [2, 0, 3, 1, 1][idx]
            xor ^= g
    if xor != 0:
        print("First")
    else:
        print("Second")

if __name__ == "__main__":
    main()