# -*- coding: utf-8 -*-
"""
Created on Tue Aug  6 21:36:48 2019

@author: guptha
"""
a=int(input("enter the value:"))
b=int(input("enter the value:"))
c=int(input("enter the value:"))
l=[]
l.append(a)
l.append(b)
l.append(c)
print(max(l))