Dice roll game

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

int main()
{
    char ans; long sec; int x; int i(0); int satu(0), dua(0);
    int a, b, c, d; int adds(0), addd(0);
    time (&sec);
    srand((unsigned)sec);
    cout<<"Player 1: "<<satu<<endl;
    cout<<"Player 2: "<<dua<<endl;
    cout<<"Press r to random player"<<endl;
    cin>>ans;
    x=rand()%2+1;
    int m=x;
    cout<<"Player "<<x<<" rolls dice first"<<endl;

    for(i=0; i<999; i++)
    {
        cout<<"Press d to roll dice"<<endl;
        cin>>ans;
        a=rand()%6+1;
        b=rand()%6+1;
        c=rand()%6+1;
        d=rand()%6+1;
        if(x==1)
        {
            cout<<"Player 1 dice values: "<< a<<" "<< b<<endl;
            cout<<"Player 2 dice values: "<< c<<" "<< d<<endl;
            adds=a+b;
            addd=c+d;
            if(a==b)
            {adds=0;}
            if (c==d)
            {addd=0;}
            satu+=adds;
            dua+=addd;
            cout<<"Player 1: "<<satu<<endl;
            cout<<"Player 2: "<<dua<<endl;
        }
        else
        {
            cout<<"Player 2 dice values: "<< c<<" "<< d<<endl;
            cout<<"Player 1 dice values: "<< a<<" "<< b<<endl;
            adds=a+b;
            addd=c+d;
            if(a==b)
            {adds=0;}
            if (c==d)
            {addd=0;}
            satu+=adds;
            dua+=addd;
            cout<<"Player 1: "<<satu<<endl;
            cout<<"Player 2: "<<dua<<endl;
        }
        if (satu>=30)
        {
            i=1000;
            m=1;
        }
        if (dua>=30)
        {
            i=1000;
            m=2;
        }
    }
    cout<<"Player "<<m<<" wins"<<endl;
    return 0;
}