提交时间:2026-06-07 09:55:49

运行 ID: 443853

#include<bits/stdc++.h> using namespace std; int n; int main(){ cin>>n; int x=n%10; int y=n/10%10; int z=n/100%10; if(x==9||y==9||z==9) cout<<"YES"; else cout<<"NO"; return 0; }