Linked List(Nth Position insertion[wip])

#include<iostream>

using namespace std;

struct sampleStruct{
    string data;
    sampleStruct* next;
};

sampleStruct* head = NULL;

void pushData( string data)
{
    sampleStruct* newData = new sampleStruct;
    newData->data = data;
    newData->next = head;
    head = newData;
}

void insertData(int pos, string data)
{
    sampleStruct* newData  = new sampleStruct;
    sampleStruct* temp = head;

    if(pos == 1)
    {

        head = newData;
        head->data = data;
        head->next = temp;

    }
    else{
        for(int a = 1 ; a < pos-1 ; a++)
        {
            temp = temp->next;
        }


    }
}

void printData()
{
    sampleStruct* temp = head;
    while(temp!= NULL)
    {
        cout << temp->data << endl;
        temp = temp->next;
    }
}



int main()
{
    string name = " ";
    int pos = 0;
    cout << "Input minimum of 5" << endl;
    for(int a = 0; a < 5 ; a++)
    {
        cout << "Input name " <<  a << endl;
        cin >> name;
        pushData(name);
    }
    cout << "These are your inputs " << endl;
    cout << endl;
    printData();

    while(1)
    {

    cout << "Input name and the position to insert at" << endl;
    cout << "Input name" << endl;
    cin >> name;
    cout << "Input pos" << endl;
    cin >> pos;
    insertData(pos , name);
    cout <<" After insertion " <<endl;

    printData();

    }

}