求问，为啥过不了#7

/*

 problem :
 by : ztrztr(luogu 602124)
 date : 2022/10/16
 update : 2022/10/16
 
*/
#include <bits/stdc++.h>
using namespace std;
int main() {
	ios::sync_with_stdio(false);
	int n; cin >> n;
	if (n < 100) cout << "00\n";
	else if (n < 1000) cout << "0" << n / 100 << "\n";
	else if (n < 5000) cout << n / 100 << "\n";
	else if (n < 30000) cout << n / 1000 + 50 << "\n";
	else if (n < 70000) cout << (n / 1000 - 30) / 5 + 80 << "\n";
	else cout << "89\n";
	return 0;
}