/*
 * Solution Template for A Mindbending Scenario
 * 
 * This file is provided to assist with reading and writing of the input
 * files for the problem. You may modify this file however you wish, or
 * you may choose not to use this file at all.
 */

#include <cstdio>

int r1_x1;
int r1_y1;
int r1_x2;
int r1_y2;
int r2_x1;
int r2_y1;
int r2_x2;
int r2_y2;
int answer;

int main(void) {
    /* Open the input and output files. */
    FILE *input_file = fopen("bendin.txt", "r");
    FILE *output_file = fopen("bendout.txt", "w");

    /* Read the values from the input file. */
    fscanf(input_file, "%d%d%d%d", &r1_x1, &r1_y1, &r1_x2, &r1_y2);
    fscanf(input_file, "%d%d%d%d", &r2_x1, &r2_y1, &r2_x2, &r2_y2);

    /*
     * TODO: This is where you should compute the answer and store it into the
     * variable answer.
     */

    /* Write the answer to the output file. */
    fprintf(output_file, "%d\n", answer);

    /* Finally, close the input/output files. */
    fclose(input_file);
    fclose(output_file);

    return 0;
}