# Exercise 7 Calculator
while True:
    calculation = input("Equation: ")

    l = calculation.split(' ')

    x = int(l[0])
    y = int(l[2])
    o = l[1]
    
    #~ ['653', '+', '6524626']

    if o=="+":
        z= x+y
        
    elif o=="-":
        z=x-y
        
    print(z)


# NICHT: fh.write(x + " " + operator + " ")
#~ fh.write("{} + {}".format(op1, op2))