:
9
Если s < 5 И t > 6 => YES иначе => NO
(6, 8) 6 < 5 И 8 > 6 NO
(3, 5) 3 < 5 И 5 > 6 NO
(-7, 2) -7 < 5 И 2 > 6 NO
(7, 7) 7 < 5 И 7 > 6 NO
(9, 8) 9 < 5 И 8 > 6 NO
(-1, 3) -1 < 5 И 3 > 6 NO
(-4, 5) -4 < 5 И 5 > 6 NO
(6, 9) 6 < 5 И 9 > 6 NO
(2, -1) 2 < 5 И -1 > 6 NO