//standard deviation

#include<iostream>
#include<iomanip>
#include<math.h>

using namespace std;

double StepOne(int a, int b, int c, int d, int e){

    m1=double(a+b+c+d+e)/5.0;
    return m1;
}

double StepTwo(int & a, int & b, int & c, int & d, int & e, & StepOne()){

    a=double(POW(int a - m1, 2));
    return a, b, c, d, e;

}

double StepThree (int & a, int & b, int & c, int & d, int & e){
    sd= double(SQRT(a+b+c+d+e)/5.0)
    return sd;
}

int (FindR){

    double sd;
    if (sd<10);
        range=1;
    if (10<=sd<20);
        range=2;
    if (20<=sd)
        range=3;
}
int main()
{
    cout<<"Welcome to Olivia's Standard Deviation Calculator!"<<endl;
    cout<<"Please enter 5 values:"<<endl;
    cin>>a, b, c, d, e;

      cout<<"The mean is"<<m1<<endl;
    cout<<"The standard deviation is"<<sd<<endl;
    if (range == 1);
        cout<<"range:low"<<endl;
    if (range == 2);
        cout<<"range:medium"<<endl;
    if (range == 3);
        cout<<"range:high"<<endl;


}