def fun(arr,n):
count=0
for i in range(n-1):
if(count==0):
if(arr[i]<arr[i+1]):
count+=1
if(count==1):
if(arr[i]>arr[i+1]):
count+=1
return count
n=int(input())
list[]
for i in range(n):
ele=int(input())
list.append(ele)
x=fun(arr,n)
if(x<2):
print(“true”)
else:
print(“false”)
.