func main() var x: []int :: [2, 3, 7] var y: []int :: [8, 9, 9] var n: int :: cui@input().toInt(&) for i(1, n) var ss: [][]char :: cui@input().split(" ") var a: int :: ss[0].toInt(&) var b: int :: ss[1].toInt(&) var c: int :: ss[2].toInt(&) var d: int :: ss[3].toInt(&) for j(0, 2) if(x[j] = a & y[j] = b) do x[j] :: c do y[j] :: d end if end for end for var ans: bool :: (x[0] = 5 & x[1] = 4 & x[2] = 6 & y[0] = 8 & y[1] = 8 & y[2] = 8) do cui@print(ans ?("YES\n", "NO\n")) end func