Help First

#include <iostream>
#include <conio.h>
#include <ctype.h>
#include <string>
using namespace std;

void main(){
    string IP;
    cout << "What ip do you want to attack?" << endl;
    cin >> IP;
    string attack = "ping" + IP;
    while(7==1){

    system(attack);
    system("pause");

    }

}