import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } long lcm(long x, long y) { return x * (y / gcd(x, y)); } long mod = 10^^9 + 7; //long mod = 998244353; //long mod = 1_000_003; void moda(ref long x, long y) { x = (x + y) % mod; } void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; } void modm(ref long x, long y) { x = (x * y) % mod; } void main() { auto N = RD; auto K = RD; auto s = N * (N+1) / 2; if (K == 1) { writeln("Yes"); long[] ans; foreach (i; 0..N) ans ~= i+1; ans.map!(to!string).join(" ").writeln; } else if (s % K) writeln("No"); else { auto cnt = N / K; if (cnt % 2 == 0) { writeln("Yes"); foreach (i; 0..K) { long[] ans; foreach (j; 0..cnt/2) { ans ~= i+j*K+1; } foreach (j; cnt/2..cnt) { ans ~= (K-i)+j*K; } ans.map!(to!string).join(" ").writeln; } } else { if (cnt <= 2) writeln("No"); else { writeln("Yes"); foreach (i; 0..K) { long[] ans; auto half = 3 * (cnt / 3); if (cnt % 3 == 1) half -= 3; foreach (j; 0..half) { auto pat = j % 3; if (pat == 0) ans ~= i+j*K+1; else if (pat == 1) ans ~= (i+K/2)%K+j*K+1; else { auto pos = K-i*2; if (pos < 0) pos += K; ans ~= pos+j*K; } } foreach (j; half..(half+cnt)/2) { ans ~= i+j*K+1; } foreach (j; (half+cnt)/2..cnt) { ans ~= (K-i)+j*K; } ans.map!(to!string).join(" ").writeln; } } } } stdout.flush; debug readln; }