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