wk, wt, bk = input().split()

verts = {'a':1, 'b':2, 'c':3, 'd':4, 'e':5, 'f':6, 'g':7, 'h':8}

wk_h = int(wk[1])
wk_v = verts[wk[0]]
wt_h = int(wt[1])
wt_v = verts[wt[0]]
bk_h = int(bk[1])
bk_v = verts[bk[0]]


def king_attacks(k_h, k_v, target_h, target_v):
    return abs(k_h - target_h) <= 1 and abs(k_v - target_v) <= 1


def tower_attacks(t_h, t_v, wk_h, wk_v, target_h, target_v):
    # check horizontal
    if t_h == target_h:
        if wk_h != t_h or ((wk_v < t_v and target_v > t_v) or (wk_v > t_v and target_v < t_v)):
            return True
        else:
            return False

    if t_v == target_v:
        if wk_v != t_v or ((wk_h < t_h and target_h > t_h) or (wk_h > t_h and target_h < t_h)):
            return True
        else:
            return False

    return False


attacked = tower_attacks(wt_h, wt_v, wk_h, wk_v, bk_h, bk_v)


def bk_can_move(bk_h, bk_v, wk_h, wk_v, t_h, t_v, target_h, target_v):
    if target_h < 1 or target_v < 1:
        return False

    if abs(target_h - bk_h) > 1 or abs(target_v - bk_v) > 1:
        return False

    if king_attacks(wk_h, wk_v, target_h, target_v):
        return False

    if tower_attacks(t_h, t_v, wk_h, wk_v, target_h, target_v):
        return False

    return True


#print(bk_can_move(bk_h, bk_v, wk_h, wk_v, wt_h, wt_v, 4, 3))

# черный король может сделать ход
targets = [(bk_h - 1, bk_v - 1),
           (bk_h - 1, bk_v),
           (bk_h - 1, bk_v + 1),
           (bk_h + 1, bk_v - 1),
           (bk_h + 1, bk_v),
           (bk_h + 1, bk_v + 1),
           (bk_h, bk_v - 1),
           #(bk_h, bk_v),
           (bk_h, bk_v + 1)
           ]

can_move = False
for target_h, target_v in targets:
    if bk_can_move(bk_h, bk_v, wk_h, wk_v, wt_h, wt_v, target_h, target_v):
        can_move = True
        break

if king_attacks(wk_h, wk_v, bk_h, bk_v):
    print('Strange')
else:
    if can_move and not attacked:
        print('Normal')

    if can_move and attacked:
        print('Check')

    if not can_move and not attacked:
        print('Stalemate')

    if not can_move and attacked:
        print('Checkmate')