import std; void main() { auto input = readln.split.to!(long[]); auto N = input[0], H = input[1]; auto A = readln.split.to!(long[]); if (A.count!"a == 0" > 0) { writeln("NO"); return; } if (A.count!"a < 0" % 2) { writeln("NO"); return; } BigInt P = 1; foreach (i; 0 .. N) { P *= A[i]; if (P % H == 0) { writeln("YES"); return; } } writeln("NO"); }