This program uses >> input operator to input numbers a,b and c. And then displays the output using << output operators. The input operator is also called as get operator.

#include<iostream>
using namespace std;
int main(){
int a,b,c;
cout<<"Enter three numbers : ";
cin>>a>>b>>c;
cout<<"The numbers are"<<endl;
cout<<"a : "<<a<<endl;
cout<<"b : "<<b<<endl;
cout<<"c : "<<c<<endl;
return 0;
}

The image shows the output of the program

You can enter three numbers. Then the program displays those three numbers.