Can you please tell me why NZEC occurs?

public class Main{ public static void main (String[] args) throws java.io.IOException{ java.io.BufferedReader r = new java.io.BufferedReader(new java.io.InputStreamReader (System.in)); int n,k,t,c; n=Integer.parseInt(r.readLine()); k=Integer.parseInt(r.readLine()); c=0; for(int i=0;i<n;i++){ t=Integer.parseInt(r.readLine()); if(k!=0){ if((t%k)==0){ c=c+1; } } } System.out.print(c); } }