H,W = map(int,input().split())
ni,nj = map(int,input().split())
zi,zj = map(int,input().split())

if abs(ni - zi) + abs(nj - zj) == 1:
    print("Yes")
    exit(0)
    
if not (zi in (1, H) and zj in (1, W)):
    print("No")
    exit(0)
    
if zi == 1:
    xi = 2
else:
    xi = H - 1
    
if zj == 1:
    xj = 2
else:
    xj = W - 1
    
if abs(xi - ni) + abs(xj - nj) == 1:
    print("Yes")
else:
    print("No")