N = int(raw_input())
 
L =  raw_input()
L = L.split()

db = 0
i=9
while i<(len(L)-9):
    x=True;
    for j in range(1,10):
        if (int(L[i-j]) >= int(L[i-j+1])):
            x=False;
    for j in range(1,10):
        if (int(L[i+j-1]) <= int(L[i+j])):
            x=False;  
    if x:
        db+=1
        i=i+9
    i=i+1
        
               
print db