# Write a program using function to find geatest of three number
def number(num1,num2,num3):
    if (num1>num2):
        if (num1>num2):
            return num1
        else:
            num2
    else:
        if(num2>num3):
            return num2
        else:
            return num3
n=number(4, 6, 10)
print("This number is greater " + str(n))

    