Java, 130 127 bytes
s->{int x=0,l;for(String w:s.split(" ")){l=w.length()/11;if(l==6)System.out.println(x);x=new int[]{0,x+1,x-1,x*2,x/2,x}[l-1];}}
s->{int x=0,l;for(String w:s.split(" ")){l=w.length()/11;if(l==6)System.out.println(x);x=new int[]{0,x+1,x-1,x*2,x/2,x}[l-1];}}