#include <stdio.h>

int E[40][40], N, S, K, V[40], Sol;

int q(){
    int i, j, num = 0;

    for (i = 1; i <= N; i++) { num = 0;
        for (j = 1; j <= K; j++)
            if (V[i] >= E[i][j]) num++;
        if (num == K) return 0; }
    return 1;
}

void back(int nv, int sum)
{
        int i;

        if (nv == K+1)
        {
                Sol += q();
                return;
        }

        for (i = 1; i <= N; i++) {
            if (sum+i > S) return;
            V[nv] = i; back(nv+1, sum+i); }
}

int main()
{
        int i, j;

        freopen("cowfood.in", "r", stdin);
        scanf("%d %d %d", &K, &S, &N);

        for (i = 1; i <= N; i++)
            for (j = 1; j <= K; j++) scanf("%d", E[i]+j);

        back(1,0);
        
        freopen("cowfood.out", "w", stdout);
        printf("%d\n", Sol);

        return 0;
        
}