Circle oval thing

#include <stdio.h>

void drawScreen();

void main(){
drawScreen();
}
void drawScreen() {
	//This function draws display screen with map boundary, snake and mouse
	int x;     // loop counter for x axis
	int y;     // loop counter for y axis
	int k;     // loop counter to count length of snake tail
	int drawTail=0; //draw is set to TRUE when a tail is drawn at the coordinates
	int mapHeight=20;
	int mapWidth=20;
	int snakeHeadX=9;
	int snakeHeadY=8;
    system("cls"); // clears the entire screen
    printf("\n");

    //draw left and right boundary, top and bottom boundary, snake and mouse

    // Part 3: Complete the nested for loops
    for (y = 0; y < mapHeight; y++) { //loop from top to bottom, y=0 to y=mapHeight-1
     for (x = 0; x < mapWidth; x++){  //loop from left to right, x=0 to x=mapWidth-1
		if(x==0&&y>=5&&y<=14){
			printf("#");
		} else if(y==0&&x>=5&&x<=14){
			printf("#");
		}else if(x==19&&y>=5&&y<=14){
			printf("#");
	}else if(y==19&&x>=5&&x<=14){
			printf("#");
		}else if((y==4||y==15)&&(x==1||x==18)){
		printf("#");
		}else if((y==1||y==18)&&(x==4||x==15)){
		printf("#");
		}else if((y==3||y==16)&&(x==2||x==17)){
		printf("#");
		}else if((y==2||y==17)&&(x==3||x==16)){
		printf("#");


		} else if((x==snakeHeadX)&&(y==snakeHeadY)){
				printf("O");
		}else{
           drawTail=0;

            if(drawTail==0){
                printf(" ");
            }
       }
      }//end of inner for loop
      printf("\n");

   }//end of outer for loop
   }