#include #include #include #include #include #include #include #include #include #include #include #include #define rep(i,n) for(ll i = 0; i < n; i++) //[0,n) #define srep(i,a,b) for(ll i = a; i < b; i++) //[a,b) #define arep(i,a,b,d) for(ll i = a; i < b; i += d) #define all(A) (A).begin(),(A).end() #define rall(A) (A).rbegin(),(A).rend() #define pmt(A) next_permutation(all(A)) using namespace std; using ll = long long; using ull = unsigned long long; const ll inf = 1LL<<60; const int iinf = (int)1e9+1; const int mod9 = 998244353; const int mod1 = 1000000007; struct Edge { int to; long long cost; int from; }; using Graph = vector>; using SGraph = vector>; template int siz(T& a){return (int)a.size();} ll squa(ll a){ return a*a; } double torad(double x){ return x*(acos(-1)/180.0); } ll cross(ll ax,ll ay,ll bx,ll by){ return ax*by-ay*bx; } ll mceil(ll a,ll b){ return (a+b-1)/b; } int main(){ int N,Q; cin >> N >> Q; set A; rep(i,N){ int a; cin >> a; A.insert(a); } rep(i,Q){ int b; cin >> b; assert(A.count(b)); } }