/*
 * Solution Template for Art Class II
 * 
 * Australian Informatics Olympiad 2021
 * 
 * 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>

/* N is the number of holes. */
int N;

/* x and y contain the locations of the holes. */
int x[100005];
int y[100005];

int answer;

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

    /* Read the value of N. */
    fscanf(input_file, "%d", &N);

    /* Read the location of each hole. */
    for (int i = 0; i < N; i++) {
        fscanf(input_file, "%d%d", &x[i], &y[i]);
    }

    /*
     * TODO: This is where you should compute your solution. Store the area of
     * the smallest poster that will cover all the holes 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;
}