#include <iostream>
# include <cstring>
using namespace std;
int main()
{
    int const size = 20;
    char name1[size];
    char name2 [size];
    char name3 [size];
    char name4 [size];
    int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o;
    cout << "please tell me your first name:\n";
    cin >> name1;
    cout << "please tell me your last name:\n";
    cin >> name2;
    cout << "if you would like to give me (the computer) a first and last name\n press 1 if you want to use the calculator press 2\n";
    cin >> a;
    if(a == 1){
    cout << "please enter the first name:\n";
    cin >> name3;
    cout << "please enter the last name:\n";
    cin >> name4;
    cout << "you gave me the name" << name3 << " " << name4 << " " << "\nyou will now be taken to the calculator" << " " << name1 << " " << name2 << endl;
    }
    cout << "press 3 for addition or 4 for subtraction:\n";
    cin >> b;
    if(b == 3){
    cout << "you have choosen addition please put in you first\n and second vales followed by the enter key:\n";
    cin >> d;
    cin >> e;
    c = d + e;
    cout << d << "+" << e << "=" << c;
    }
    if(b == 4)
    {
        cout << "please put in you first and second\n value followed by the enter key:\n";
        cin >> g;
        cin >> h;
        f = g - h;
        cout << g << "-" << h << "=" << f;
    }
    return 0;
    if(a == 2){
    cout << "please press 5 for addition or 6 for\n subtraction followed by the enter key:\n";
    cin >> i;
    }if(i == 5)
    {
        cout << "please put in your first value and your\n second value followed by the enter key:\n";
        cin >> j;
        cin >> k;
        l = j + k;
        cout << j << "+" << k << "=" << i << endl;
    }if (i == 6){
    cout << "please enter your first and second valuse followed by the enter key:\n";
    cin >> o;
    cin >> n;
    m = o - n;
    cout << o << "-" << n << "=" << m << endl;
    }
    return 0;
}