#include <windows.h>
#include <iostream>

using namespace std;

int main() {

    WSADATA wsa;
    char buffer[1024];

    if (WSAStartup(MAKEWORD(2,2), &wsa) != 0) {
        cout << "WSAStartup() error: " << WSAGetLastError();
        return 0;
    }

    SOCKET mainSocket;
    mainSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if (mainSocket == INVALID_SOCKET) {
        cout << "mainSocket error: " << WSAGetLastError();
        WSACleanup();
        return 0;
    }

    sockaddr_in server;
    server.sin_family = AF_INET;
    server.sin_addr.s_addr = inet_addr("127.0.0.1");
    server.sin_port = htons(12000);

    connect(mainSocket, (SOCKADDR*)&server, sizeof(server));
    do {
    cin >> buffer;

    send(mainSocket, buffer, 1024, 0);
    } while (strcmp(buffer, "end"));

    closesocket(mainSocket);
    WSACleanup();

    system("pause");
    return 0;
}