#include using namespace std; using i64 = long long; #define rep(i,s,e) for(i64 (i) = (s);(i) < (e);(i)++) #define rev(i,s,e) for(i64 (i) = (s);(i) --> (e);) #define all(x) x.begin(),x.end() int main() { i64 N, K; cin >> N >> K; if((N * (N + 1) / 2) % K != 0) { cout << "No" << endl; return 0; } cout << "Yes" << endl; i64 A = N / K; rep(i,0,K) { rep(j,0,A) { cout << (K * j + (i + j) % K) + 1 << " \n"[j + 1 == A]; } } }