#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; const ll mo=998244353; ll from[703][703]; ll to[703][703]; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; from[0][0]=1; FOR(i,N) { ZERO(to); FOR(x,600) { for(y=x;y<=x+N-1;y++) if(from[x][y]) { for(j=1;j<=9;j++) (to[x+1][y+j]+=from[x][y])%=mo; for(j=10;j<=99&&y+j<=x+2+N-1;j++) (to[x+2][y+j]+=from[x][y])%=mo; for(j=100;j<=250&&y+j<=x+2+N-1;j++) (to[x+3][y+j]+=from[x][y])%=mo; } } swap(from,to); } ll ret=0; for(x=N;x<=2*N;x++) ret+=from[x][x+N-1]; cout<