#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define INF 2000000000 using namespace std; int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1}; #define sym cout<<"---------"< #define P pair #define mk make_pair #define en endl #define WHITE 0 #define BLACK 2 #define GRAY 1 #define RE return 0 #define int ll int score[105]; int solved[105]; signed main(){ int n; cin>>n; int mine=0; for(int i=0; i>score[i]; for(int i=0; i>a; if(a) solved[a]+=score[i]; else mine+=score[i]; } sort(solved, solved+105, greater()); if(mine>=solved[0]) cout<<"YES"<