int lo = 1;
int hi = 100;
int n;
int total;



  size( 400, 300);
  background( 255);

  total = 0;
  
for( n = lo; n <= hi; n = n+1)
{
  total = total + n;
}
  
fill(0);
strokeWeight(2);
text( total, 10, 10);

// Grass at bottom.

stroke(0,255,0);
strokeWeight(1);

float x= 10;
/* line( x, height, x, height - 30);
line( x + 50, height, x + 50, height - 30);
*/

/*
while( x < width)
{
  line( x, height, x, height - 30);
  x = x + 20;
  
}


fill(255, 0, 0);
x = 10;
ellipse( x, 300-30, 10, 10);
*/

for( x = 10; x < width; x += 20)
{
  line( x, height, x, height - 30);  
  
  fill(255, 0, 0);
  ellipse( x, 300-30, 10, 10);
}

strokeWeight(0);
fill( 200, 0, 200);
ellipse( 150, 100, 80, 80);
rect( 110, 100, 80, 80);

stroke(200, 0, 200);
strokeWeight(2);
for( x=120; x<190; x+=20)
{
  line( x, 180, x, 220);
}