#include <iostream>

int main()
{
    int code;
    int digit2;

    cout << "Enter area code: ";
    cin >> code;

    if (code >= 200 && code <= 999 && code != 611 && code != 911)
    {
        cout << "The area code is currently valid, and ";
        digit2 = (code/10)%10;
        if (digit2 == 1 || digit2 == 0) 
        {
            cout << "was valid circa 1990\n";
        }
        else
        {
            cout << "was not valid circa 1990\n";
        }
    }
    else
    {
        cout << "The area code is not currently valid, and ";
        cout << "was not valid circa 1990\n";
    }
}