a = int(input("valor: "))
b = int(input("valor: "))
c = int(input("valor: "))
if(a>b):
	if(b>c):
		d = a
	if(c>b)
		d = a
if(b>a):
	if(a>c):
		d = b
	else:
		d = b
if(c > b):
	if (b > a):
		d = c
	else: 
		d = c
print(d)