f = open("input.txt", "r")
x = f.read()

for i in x.split('\n'):
    t = i.split()
    if (len(t) < 3):
        break
    if (t[0] == '+'):
        print(int(t[1]) + int(t[2]))
    elif (t[0] == '-'):
        print(int(t[1]) - int(t[2]))
    elif (t[0] == '%'):
        print(int(t[1]) % int(t[2]))
    elif (t[0] == '*'):
        print(int(t[1]) * int(t[2]))
    elif (t[0] == '/'):
        x = int(t[1]) // int(t[2])
        if (x < 0):
            if (int(t[1]) % int(t[2]) != 0):
                x += 1
        print(x)