##class Point():
##
##    def __init__(self,x,y):
##        self.x=x
##        self.y=y
##
##    def getX(self):
##        return self.x
##    
##    def getY(self):
##        return self.y
##
##    def distance(self,otherPoint):
##        return (((self.x-otherPoint.x)**2)+(self.y-otherPoint.getY())**2))**(1/2)

class Vector():

    def __init__(self,x,y,z):
        self.x=x
        self.y=y
        self.z=z

    def getX(self):
        return self.x

    def getY(self):
        return self.y

    def getZ(self):
        return self.z

    def __add__(self,otherVector):
        xComponent = self.x+otherVector.x
        yComponent = self.y+otherVector.y
        zComponent = self.z+otherVector.z
        return Vector(xComponent,yComponent,zComponent)

    def __str__(self):
        return ("{0}i + {1}j + {2}k".format(self.x,self.y,self.z))