Why I am geting the out put as 0>

it is the problem called laddu: CodeChef: Practical coding for everyone

import java.util.Scanner;
public class Main
{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		while(t-->0){
            int limits = 0;
            int points = 0;
            int activities = sc.nextInt();
            String o = sc.nextLine();
            if (o.equals("INDIAN")){
                limits = 200;
            }
            else
                limits = 400;
            for(int i=0;i<activities;i++)
            {
                String s1 = sc.nextLine();
                if (s1.equals("CONTEST_WON"))
                {
                    int rank = sc.nextInt();
                    if(rank <= 20)
                        points += 300 +(20 - rank);
                    else
                        points += 300;
                }

                if(s1.equals("TOP_CONTRIBUTOR"))
                    points += 300;
                
                if(s1.equals("BUG_FOUND"))
                {
                    int severity = sc.nextInt();
                    points += severity;
                }
                if(s1.equals("CONTEST_HOSTED"))
                {
                    points += 50;
                }
            
            } 
            System.out.println(points / limits);   
		    
		}
    sc.close();
	}
}