N = int(input())
h, w = [int(s) - 1 for s in input().split()]

for d in range(N + 1):
    for di in [-1, 0, 1]:
        for dj in [-1, 0, 1]:
            ni, nj = d * di, d * dj

            if (ni, nj) == (h, w):
                print("Yes")
                exit()

print("No")