题解

#include <iostream>
#include <string>
using namespace std;

int main() {
string a;
string b = "";
cin >> a;
for(int i = 0; i < a.length(); i++) {
char c = a[i];
if(c == 'z' || c == 'h' || c == 'a' || c == 'n' || c == 'g') {
b += ' ';
} else {
b += c;
}
}

cout <<b << endl;

return 0;

}