codeforces 148A InsomniaCure program in java

InsomniaCure.java

import java.util.Scanner;

public class InsomniaCure
{
    public static void main(String[] args)
    {
        Scanner z=new Scanner(System.in);
        int k=z.nextInt();
        int l=z.nextInt();
        int m=z.nextInt();
        int n=z.nextInt();
        int d=z.nextInt();
        int[] k1=new int[d/k];
        int[] l1=new int[d/l];
        int[] m1=new int[d/m];
        int[] n1=new int[d/n];
        int flag,ans=0;
        for(int i=1,k2=0,l2=0,m2=0,n2=0;i<=d;i++)
        {
            flag=0;
            if(i%k==0){
                k1[k2]=i;
                k2++;
                flag=1;
            }
            if(i%l==0){
                l1[l2]=i;
                l2++;
                flag=1;
            }
            if(i%m==0){
                m1[m2]=i;
                m2++;
                flag=1;
            }
            if(i%n==0){
                n1[n2]=i;
                n2++;
                flag=1;
            }
            if(flag==1)
                ans++;
        }
        System.out.println(ans);
    }
}