题解

#include<iostream>
#include<string>
using namespace std;
int main(){
    string s;
    cin>>s;
    for(int i=0;i<s.size();i++){
        if(s[i]=='z'||s[i]=='h'||s[i]=='a'||s[i]=='n'||s[i]=='g'){
            cout<<' ';
        }else{
            cout<<s[i];
        }
    }
    return 0;
}