#include using namespace std; //#include //using namespace atcoder; //typedef modint998244353 mint; typedef long long ll; #define rep(i, s, n) for (int i = (int)(s); i < (int)(n); i++) #define rrep(i, s, n) for (int i = (int)(n)-1; i >= (int)(s); i--) int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int k, n; cin >> k >> n; if (n <= 17){ vector mxg(n+1, 1); rep(i,0,n) mxg[i+1] = mxg[i]/__gcd(mxg[i], (ll)(i+1))*(i+1); vector v(n+1, 0); rep(i,1,n+1) v[i] = mxg[n]/i; vector> a(n+1); a[0][0]=1; rep(i,0,n){ for(auto[j,c]:a[i]){ rrep(x,1,n+1){ if(j+v[x]>mxg[n])break; a[i+1][j+v[x]]+=c; } } } cout << a[k][mxg[n]] << endl; }else{ vector> tar; tar.resize(25); tar[18] = {0,1,1,10,143,1321,12612,98967,706351,4519408,23098446,90446137,233499344,359830680,303875573,120897041,15574653,61864,1,}; tar[19] = {0,1,1,10,143,1321,12612,98967,706351,4519408,23098446,90446137,233499344,359830680,303875573,120897041,15574653,61864,1,1,}; tar[20] = {0,1,1,10,167,1851,20562,188049,1637057,12442024,81943326,429039909,1740647525,5233214351,10843887965,14088489255,9982510305,2962502213,198795808,582085,1,}; tar[21] = {0,1,1,10,167,2001,23622,247899,2492121,23603800,200197566,1457497196,8592067529,39580212205,134817405451,309930637885,426337329317,295288749243,73152855670,6996250795,28282071,1,}; tar[22] = {0,1,1,10,167,2001,23622,247941,2492905,23625220,200631786,1464757108,8683726163,40413510762,140147181266,332462625610,484295650621,382283766495,146218113382,38473778130,5684671181,173183578,1,}; tar[23] = {0,1,1,10,167,2001,23622,247941,2492905,23625220,200631786,1464757108,8683726163,40413510762,140147181266,332462625610,484295650621,382283766495,146218113382,38473778130,5684671181,173183578,1,1}; tar[24] = {0,1,1,10,191,2511,33882,409165,4641625,50103058,496822401,4403064282,33370486316,209225931487,1051662957619,4048971290390,11244715040211,20694326612398,22228226842243,11390082915896,2186175253228,151220665303,2381965422,1643558,1,}; cout << tar[n][k] << endl; } }