#include <stdio.h>
int main (void)
{
    FILE *ontario;
    int beach_num, sample_num;
    double organism_num=0.0;

    ontario = fopen ("ontario.txt", "r");
    if(ontario == NULL)
        perror("Error opening file ");

    while (fscanf(ontario, "%d %d", &beach_num, &sample_num) == 2)
    {
        if (sample_num>=3)
            printf ("Beach Number: %d \n", beach_num);
        else
            printf("Insufficient Data");

    }

    fclose (ontario);

}