x=input("enter the value of x")
y = input("enter the value of y")
z = input("enter the value of z")
x1 = int(x)
y1 = int(y)
z1 = int(z)
if (x1 >y1) and (x1> z1):
     max = x1
     print (max)
elif (y1 > x1) and (y1 > z1):
    max = y1
    print (max)
else:
    print (z)