Code:
#include <iostream>
using namespace std;
int main()
{
string name;
int a, b;
cout << "Enter your name: ";
cin >> name;
cout << "Enter a: ";
cin >> a;
do
{
cout << "Enter b: ";
cin >> b;
} while (b != a);
} Depending on which one do you want to validate, you can switch a and b..