#include <cstdio>

#define MAXN ( 1<<12 )

int A[MAXN][MAXN];

int main() 
{
	freopen("minark.in", "r", stdin);
	freopen("minark.out", "w", stdout);
	int N, M, K;

	scanf("%d%d%d", &N, &M, &K);

	for(int i=0; i<N; ++i)
	{
		for(int j=0; j<M; ++j)
		{
			scanf("%d", &A[i][j]);
		}
	}
	
	printf("-1\n");

	return 0;
}