print "Get the highest of 4 numbers "
a = input("Enter a value for a: ")
b = input("Enter a value for b: ")
c = input("Enter a value for c: ")
d = input("Enter a value for d: ")

x = a

if(b>x):
    x=b
if(c>x):
    x=c
if(d>x):
    x=d

print x
