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