Tim tram,chuc,donvi

#include <iostream>
using namespace std;
int main(){
    int n;
    cout << "Nhap n: ";
    cin >> n;
    int dv, ch, tr;
    dv = n % 10;
    n/=10;
    ch = n % 10;
    n /= 10;
    tr = n % 10;
    cout << "Don vi: " << dv << " Chuc: " << ch << " Tram: " << tr<<endl;
    system("pause");
}