#include <stdio.h>

int a[16][10005],n,m,r,c,i,j;

int main() {
	freopen("elimin.in","r",stdin);
	freopen("elimin.out","w",stdout);

	scanf("%d%d%d%d",&m,&n,&r,&c);
	if(m > n) {
		for(int i = 1; i <= m; i++) 
			for(int j = 1; j <= n; j++) scanf("%d",&a[j][m - i + 1]);
	}
	else for(int i = 1; i <= m; i++)
			for(int j = 1; j <= n; j++) scanf("%d",&a[i][j]);
			
	return 0;
}