#include<stdio.h>
int main() {
    int  n, m, num;
    scanf("%d" ,&n);
    scanf("%d" ,&m);
    scanf("%d" ,&num);
    if  (n < 1 || m < 1) {
        printf("Invalid input");
        return 0;
    }
    if (num != 0 && num! = 1) {
        printf("Invalid input");
        return 0;
    }
    for (int i = 0; i <n; i++) {
        for (int j = 0; j < m; j++) {
            printf("0 ");
        } 
        printf("\n");
    }
    return 0;
}