#include <iostream>
#include <cmath>
#include <string>
 
using namespace std;
 
int main () {
    int age;
    int ageTotal = 0;
    int geometric_mean=1;
 
    int numberOfpeopleEntered = 0;
 
    cout << "Enter first persons age or -1 to quit "<<endl;
    cin>>age;
 
    while (age != -1){
        ageTotal = ageTotal + age;
        numberOfpeopleEntered++;
 
        cout<<"Enter next persons age or -1 to quit "<<endl;
        cin>>age;   
    }
    cout<<"Number of people entered: "<<numberOfpeopleEntered<<endl;
    cout<<"Average age:"<<ageTotal/ numberOfpeopleEntered<<endl;
    cout<<"Geometric mean: "<<pow(geometric_mean,.5)<<endl;
 return 0;
}

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Mgo3CjQKOAotMQ==

2
7
4
8
-1