hdu 2560

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc= new Scanner(System.in);
		int T;
		int m,n;
		while(sc.hasNext()) {
			T=sc.nextInt();
			while(T!=0) {
				T--;
				n=sc.nextInt();
				m=sc.nextInt();
				int count=0;
				int [][]a=new int[n][m];
				for(int i=0;i<n;i++)
					for(int j=0;j<m;j++)
						a[i][j]=sc.nextInt();
				for(int i=0;i<n;i++)
					for(int j=0;j<m;j++)
						if(a[i][j]==1)
							count++;
				System.out.println(count);
						
			}
		}
	}
}