ARRAY 1D - 2001 Number of Days from 1st January

import java.io.*;

class ISC_PR_2001

{

    public static void main(String arg[ ]) throws IOException

    {

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

        int d,m,y,s,i;

        BufferedReader br = new BufferedReader( new InputStreamReader(System.in));

        s=0;

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

        d=Integer.parseInt(br.readLine( ));

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

        m=Integer.parseInt(br.readLine( ));

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

        y=Integer.parseInt(br.readLine( ));

        for(i=0;i<m-1;i++)

            s=s+a[i];

        if(y%4==0) s=s+1;

        s=s+d;

        System.out.println("Total number of days : " + s);

    }

}