萌新求问：为什么会UKE: AT_abc001_2

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	if(n<100) cout<<"00";
	else if(100<=n&&n<1000) cout<<"0"<<n/100;
	else if(1000<=n&&n<=5000) cout<<n/100;
	else if(5000<n&&n<=30000) cout<<n/1000+50;
	else if(30000<n&&n<=70000) cout<<(n/1000-30)/5+80;
	else cout<<"89";
    return 0;
}