#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
    int n;
    scanf("%i", &n);
    int a[100][100];
    for (int i = 0; i < n; i++){
        for (int j = 0; j < n; j++){
            a[i][j] = rand() % 21 - 10;
            printf("%d ", a[i][j]);
        }
        printf("\n");
    }
    int c = 0;
    for (int i = 0; i < n; i++){
        for (int j = 0; j < n; j++){
            if (a[i][j] < 0){
                c++;
            }
        }

    }
    printf("%d", c);
    return 0;
}