题解

#include<bits/stdc++.h>
using namespace std;

int main()
{
    string a;
    cin >> a;
    int n[9]={a[0]-'0',a[1]-'0',a[2]-'0',a[3]-'0',a[4]-'0',a[5]-'0',a[6]-'0',a[7]-'0',a[8]-'0'};
    cout << (n[0]*100+n[1]*10+n[2])*(n[3]*100+n[4]*10+n[5])*(n[6]*100+n[7]*10+n[8]);
}