#include<stdio.h>
int main() {
    int n, m, num;
    
    scanf("%d", &n);
    scanf("%d", &m);
    scanf("%d", &num);
    
    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");
             if (j < m - 1) {
                 printf(" ");
             }
         }
         if (i < n - 1) {
             printf("\n");
         }
     }

    return 0
}