#include using namespace std; #include using namespace atcoder; using ll =long long; #define rep(i,n) for(int i=0;i<(n);++i) #define REP(i,n) for(int i=1;i<=(n);++i) #define all(n) n.begin(),n.end() #define rall(n) n.rbegin(),n.rend() int main(){ //ios::sync_with_stdio(false); //cin.tie(nullptr); int a,b; cin>>a>>b; string s; cin>>s; cout<