#include <iostream>
#include <fstream>
using namespace std;
ifstream f("date.in");
ofstream g("date.out");
int mat[101][101];
int main()
{
    int n, m;
    f>>n>>m;
    int i, j, t, p;
    for (i=1; i<=n; ++i)
        for (j=1; j<=m; ++j)
            f>>mat[i][j];
    int x;
    f>>x;
    bool ok;
    for (j=1; j<=m; ++j)
    {
        ok=0;
        for (i=1; !ok && i<=n; ++i)
            if(mat[i][j]==x)
                ok=1;
        if(ok)
        {
            for(p=j; p<m; ++p)
                for (t=1; t<=n; ++t)
                    mat[t][p]=mat[t][p+1];
            --j, --m;
        }
    }
    for (i=1; i<=n; ++i)
    {
        for(j=1; j<=m; ++j)
            g<<mat[i][j]<<" ";
        g<<'\n';
    }

    return 0;
}