ac

#include<bits/stdc++.h>
using namespace std;
int main(){
int n=0,a[40]={0};
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
}
for(int i=1;i<=n;i++){
if(a[i]%21){
cout<<" "<<a[i];
}
}
cout<<endl;
for(int i=1;i<=n;i++){
if(a[i]%20){
cout<<" "<<a[i];
}
}
//输入正文
return 0;
}

```cpp

```cpp

```cpp