全网最正确题解

#include<bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
int h3 = n % 1000;
n = n / 1000;
int z3 = n % 1000;
n = n / 1000;
int q3 = n % 1000;
cout << h3z3q3;
return 0;
}