NZEC Error in every nextInt Method

/* package codechef; // don’t place package name! */

import java.util.;
import java.lang.
;
import java.io.*;

/* Name of the class has to be “Main” only if the class is public. */
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc = new Scanner(System.in);
int l[]=new int[4];
int a=0,b=0,c=0,d=0,ba=0,bb=0,bc=0,bd=0,ca=0,cb=0,cc=0,cd=0,da=0,db=0,dc=0,dd=0;
int t=sc.nextInt();//Line 15
for(int i1=0;i1<t;i1++){
int n=sc.nextInt();
for(int j1=0;j1<n;j1++){
char m=sc.next().charAt(0);
int s=sc.nextInt();

Exception in thread “main” java.util.NoSuchElementException
at java.util.Scanner.throwFor(Scanner.java:862)
at java.util.Scanner.next(Scanner.java:1485)
at java.util.Scanner.nextInt(Scanner.java:2117)
at java.util.Scanner.nextInt(Scanner.java:2076)
at Codechef.main(Main.java:15)

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