 y
 

 1
 700
 240
 480
 240

'----------------------------------------------
 
 90
120
 90
 
 230
 9
 72 {
 10
 5
}
 
 90
 120
 90
 

'----------------------------------------------

 
 60
 90
 100
 90
 

 1

 7 {
y=1
=0
 25 {
y=y+1
=+1
 
 10

 y+15
 y
}

y=1
=3
 12 {
 15
y=y+1
=+1
 
 y
 y
}
}












