
        
    
def Cal(n1,n2,op) :


    if op =="+":
        print(n1+n2)
            

    elif op =="-":
        print(n1-n2)
            

    elif op =="*":
        print(n1*n2)
            

    elif op =="/":
        print(n1/n2)
            

    else :
        print("What the hell ?")

    print("\n")