int value;                          //value entered by user
	int numberofvalues=0;     //values entered so far
	int sumofvalues=0;           //sum of values so far
	const int sentinel=0;         //indicates end of values
	int percentbelow=0;
	double percentage;


	cout<<"--Calculate Average Program--"<<endl;
	cout<<"Enter a value ( "<<sentinel<<" to quit): ";
	cin>>value;
	if(value<70&&value!=0)
	++percentbelow;


	while(value!=sentinel){
		numberofvalues=numberofvalues+1;
		sumofvalues=sumofvalues+value;
		cout<<"Enter a value ( "<<sentinel<<" to quit): ";
		cin>>value;
		if(value<70&&value!=0)
		++percentbelow;}

	cout<<"Average is "<<(double(sumofvalues)/numberofvalues)<<endl;

	percentage=((double)percentbelow/numberofvalues)*100.0;

	cout<<"Percent Below 70: "<<percentage<<"%"<<endl;

	cout<<endl;

	////////////////////////////////18

	int pwn1=1;

	cout<<pwn1<<endl;

	while(pwn1<12){
		pwn1=pwn1+1;
		cout<<pwn1<<endl;}

	cout<<endl;

	int pwn2=1;
	int total=0;

	cout<<pwn2<<endl;
	total=total+pwn2;

	while(pwn2<12){
		pwn2=pwn2+1;
		total=total+pwn2;
		cout<<pwn2<<endl;}

	cout<<"Sum: "<<total;