#include #if __has_include() #include using namespace atcoder; #endif using namespace std; using Graph = vector>; using vst= vector; using vin= vector; using ll=long long; using ull=unsigned long long; using vll= vector; using P=pair; using pqi=priority_queue, greater>; using pqp=priority_queue, greater

>; //const long double pi=acos(-1); #define ft first #define sd second #define fn front #define pb push_back #define eb emplace_back #define it insert #define vvi vector> #define si(v) int((v).size()) #define pq priority_queue #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rell(i,n) for (ll i=0; i< (ll)(n); i++) #define sot(x) sort(x.begin(), x.end()) #define rese(x) reverse(x.begin(), x.end()) #define gsot(x) sort(x.begin(), x.end(), greater()); #define vnn(x,y,s,name) vector> name(x, vector(y,s)) #define mse(x) memset(x, 0, sizeof(x)) #define all(x) (x).begin(),(x).end() #define mii(x,y,z) min(x,min(y,z)) #define maa(x,y,z) max(x,max(y,z)) #define cps CLOCKS_PER_SEC #define yes cout<<"Yes"<<"\n" #define no cout<<"No"<<"\n" #define cset(x) cout<>n; n/=2; ll ans=pow_mod(6,n,998244353); cout<