#include using namespace std; #define pb emplace_back #define mp make_pair using ll = long long; using pii = pair; constexpr int mod = 998244353; constexpr int inf = 0x3f3f3f3f; constexpr int N = 2e5 + 10; void _main(){ int n, m; cin >> n >> m; int p = 1 << m; for(int i=0; i<1<