ARRAY 1D - 2000 Number of Days between two dates

import java.util.*;

class ISCPR_2000

{

    public static void main(String arg[]) 

    {

        int a[ ]={0,31,28,31,30,31,30,31,31,30,31,30,31};

        int d,m,y,d1,m1,y1,s,s1,i,x;

        Scanner br =new Scanner(System.in);

        s=0;

        s1=0;

        System.out.println("Enter First Date  day : ");

        d=br.nextInt( );

        System.out.println("Enter month : ");

        m=br.nextInt( );

        System.out.println("Enter year : ");

        y=br.nextInt( );

        System.out.println("Enter Second Date day : ");

        d1=br.nextInt( );

        System.out.println("Enter month : ");

        m1=br.nextInt( );

        System.out.println("Enter year : ");

        y1=br.nextInt( );

        for(i=1;i<m;i++)

            s=s+a[i];

        if(y%4==0) s=s+1;

        s=s+d;

        for(i=0;i<m1;i++)

            s1=s1+a[i];

        if(y1%4==0) s1=s1+1;

        s1=s1+d1;

        x=s1-s;

        System.out.print("Total number of days between : " + d+"/"+m+"/"+y);

        System.out.print(" and " + d1+"/"+m1+"/"+y1);

        System.out.print(" is " + x);

    }

}