bug

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#define     MAP_WIDTH   16
#define     MAP_HEIGHT  8

struct tile {
    uint16_t Population;
    char People[4];
};

int main()
{
    srand(time(NULL));
    struct tile Map[MAP_HEIGHT][MAP_WIDTH];
    // initialize map with random values
    int X = 0; int Y = 0;
    while (Y < MAP_HEIGHT) {
        while (X < MAP_WIDTH) {
            int r = rand() % 512;
            Map[Y][X].Population = r;
            if (r < 16) {
                Map[Y][X].People[0] = '.';
                Map[Y][X].People[1] = ' ';
                Map[Y][X].People[2] = ' ';
                Map[Y][X].People[3] = '\0';
            }
            else if (r < 32)
            {
                Map[Y][X].People[0] = '.';
                Map[Y][X].People[1] = '.';
                Map[Y][X].People[2] = ' ';
                Map[Y][X].People[3] = '\0';
            }

            else if (r < 64)
            {
                Map[Y][X].People[0] = '.';
                Map[Y][X].People[1] = '.';
                Map[Y][X].People[2] = '.';
                Map[Y][X].People[3] = '\0';
            }
            else if (r < 96)
            {
                Map[Y][X].People[0] = '.';
                Map[Y][X].People[1] = '.';
                Map[Y][X].People[2] = ':';
                Map[Y][X].People[3] = '\0';
            }
            else if (r < 128){
                Map[Y][X].People[0] = '.';
                Map[Y][X].People[1] = ':';
                Map[Y][X].People[2] = ':';
                Map[Y][X].People[3] = '\0';
            }
            else if (r == 128){
                Map[Y][X].People[0] = ':';
                Map[Y][X].People[1] = ':';
                Map[Y][X].People[2] = ':';
                Map[Y][X].People[3] = '\0';
            } else {
                Map[Y][X].People[0] = 'W';
                Map[Y][X].People[1] = '=';
                Map[Y][X].People[2] = 'W';
                Map[Y][X].People[3] = '\0';
            }
            ++X;
        }
        ++Y;
    }

    system("cls");
    int x = 0; int y = 0;
    while (y < MAP_HEIGHT) {

        while (x < MAP_WIDTH) {
            printf("%s ", Map[y][x].People);
            ++x;
        }
        printf("\n");
        ++y;
    }


    printf("sizeof map : %zd\n", sizeof(Map));
    x = 0;
    y = 0;
    int x2 = x+MAP_WIDTH;
    int y2 = y+MAP_HEIGHT;
    while (y < y2) {
        while (x < x2) {
            printf("map[%d][%d].Population : %d\n", y, x, Map[y][x].Population);
            ++x;
        }
        ++y;
    }
    return 0;
}