#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("%d");
        }
    }
}