def maxNumber(a, b, c, d, e ):
    # print(max(a, b, c , d, e))
    return max(a, b, c, d, e)

#Main:
a=int(input('Please insert 1st number:'))
b=int(input('Please insert the 2nd number'))
c=int(input('Please insert the 3rd number'))
d=int(input('Please insert the 4th number'))
e=int(input('Please insert the 5th number'))
max=maxNumber(a, b, c, d, e)
print(max)
