def addNumber(x,y):
    print(x+y)
def deleteNumber(x,y):
    print(x-y)
def multiNumber(x,y):
    print(x*y)
def divideNumber(x,y):
    print(x/y)

addNumber(25,85)
deleteNumber(25,85)
multiNumber(25,85)
divideNumber(25,85)