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