Absys getting nzec

[vineet_gandhi]

import java.io.PrintStream;
import java.util.Scanner;

public class Main {

public static void main(String[] args) { Scanner s1=new Scanner(System.in); Scanner s2=s1.useDelimiter("\n\n"); PrintStream p=new PrintStream(System.out); int x=s2.nextInt(); int aq=x; while(aq>0) { String s=s2.next(); int a=0; String str[]=s.split(" "); if(str[4].contains("machula")) { a=Integer.parseInt(str[0])+Integer.parseInt(str[2]); str[4]=Integer.toString(a); p.println(str[0]+" "+str[1]+" "+str[2]+" "+str[3]+" "+str[4]); } else if(str[0].contains("machula")) {a=Integer.parseInt(str[4])-Integer.parseInt(str[2]); str[0]=Integer.toString(a); p.println(str[0]+" "+str[1]+" "+str[2]+" "+str[3]+" "+str[4]); } else if(str[2].contains("machula")) {a=Integer.parseInt(str[4])-Integer.parseInt(str[0]); str[2]=Integer.toString(a); p.println(str[0]+" "+str[1]+" "+str[2]+" "+str[3]+" "+str[4]); }
aq--;

}
p.close();
}

}

showing NZEC when submitting but running good on my machine and on ideone .com