#write a function max that has one parameter - number of inputs, num
#function reads num integers
#function finds and returns the maximal value among inputs
#write main to test your function 
def max(num):
	max_value=int(input("enter first integer "))
	for i in range(num-1): #we need to read num-1 remaining inputs
		input_num=int(input("enter next input "))
		if(input_num>max_value):
			max_value=input_num
	return max_value
def main():
	num=int(input("enter number of inputs "))
	if(num>0):
		result=max(num)
		print("max =", result)
	else:
		print("empty input")
main() 

#We will trace the program on the following input
#num=4 input numbers: 2, -3, 6, 5
#max_value=2
#the loop starts input_num=-3
#if(-3>2) False so nothing is changed
#continue with the loop we read next input input_num=6
#if(6>2) True so max_value=6
#continue with the loop we read next input input_num=5
#if(5>6) False nothing is changed
#Loop is done
#function returns max_value=6