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

class Depo
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int n, m;
		Scanner in = new Scanner(System.in);
		n= in.nextInt();
		m= in.nextInt();
		int[][] a= new int[n][m];
		int[] b= new int[n];
		for(int i=0; i < n; i++){
			for(int j=0; j < m; j ++)
				a[i][j]=in.nextInt();
		}
		for(int i=0; i < m; i++){
			b[i]=1;
			for(int j=0; j < m; j++){
				if((a[j][i] <= n)&&(a[j][i] > 1))
					b[i]*=a[j][i];
			}
		
		}
		for(int i=0; i < m; i++){
			if(b[i]!=1)
				System.out.printf(b[i] + " ");
			else
				System.out.printf("* ");
			}
	}
}