#include int main(){ // 問題数 int question = 0; scanf("%d",&question); // 問題正解報酬 int score[question]; int *s = score; for(int i = 0;i < question;i++){ scanf("%d",&s[i]); } // 問題正解者 int num[question]; int *n = num; for(int i = 0;i < question;i++){ scanf("%d",&n[i]); } // 参加者暫定点数 int provisional[100]; int *p = provisional; int myscore = 0; for(int i = 0;i < question;i++){ if(num[i] == 0){ myscore += score[i]; }else{ provisional[i] += score[i]; } } for(int i = 0;i < 100;i++){ if(provisional[i] > myscore){ printf("NO"); myscore = -1; break; } } if(myscore != -1){ printf("YES"); } }