import java.util.Arrays;

public class Mahendra {

    public static void mostCommonVal(int[][] elevations) {
        int[] ar=new int[elevations.length*elevations[0].length];
        for(int i=0;i<elevations.length;i++)
            for(int j=0;j<elevations[0].length;j++)
                ar[i*elevations[0].length+j]=elevations[i][j];

        Arrays.sort(ar);

        int[] arr=new int[ar.length];
        arr[0]=1;
        for(int i=1;1<ar.length;i++) {
            if(ar[i]==ar[i-1])
                arr[i]=arr[i]+1;
            else
                arr[i]=1;
        }

        int max=Integer.MIN_VALUE;
        int maxIndex=-1;

        for(int i=0;i<arr.length;i++){
            if(max<arr[i]){
                maxIndex=i;
                max=arr[i];
            }
        }

        System.out.println(ar[maxIndex]);



    }
}