#include #include #include using namespace std; using namespace atcoder; using mint = modint998244353; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf32 1000000005 #define Inf64 4000000000000000001LL int main(){ int n; cin>>n; string s; cin>>s; int c = 0; rep(i,n){ if(s[i]=='(')c++; else c--; if(c<0){ cout<<"No"<