ta2

input_f = open('C:/temp/input.txt')
output_f = open('C:/temp/output.txt', 'w')

def main():
    line = input_f.readline() #y1
    spl = line.split() #y2
    op = spl[0] #y3
    oper1 = spl[1] #y4
    oper2 = spl[2] #y5

    err = "" #y6
    res2 = "0" * 64 #y7
    res = 0 #y8

    if op != "11" and op != "00": #x1
        err = "001" #y9
        print ("error 001: invalid operation") #y10
        return

    if len(oper1) != 64 or len(oper2) != 64: #x2
        err = "010" #y11
        print ("error 010: invalid operand length") #y12
        return

    num = set(oper1) #y13

    if num not in [{"0"}, {"1"}, {"0", "1"}]: #x3
        err = "011" #y14
        print ("error 011: invalid input in operand") #y15
        return

    num = set(oper2) #y16

    if num not in [{"0"}, {"1"}, {"0", "1"}]: #x3
        err = "011" #y14
        print ("error 011: invalid input in operand") #y15
        return

    if op == "11" and int(oper2, 2) == 0: #x4
        err = "100" #y17
        print ("error 100: dividing by zero") #y18
        return

    if op == "11": #x5
        res = int(oper1, 2)/int(oper2, 2) #y19
    if op == "00": #x6
        res = int(oper1, 2)*int(oper2, 2) #y20

    if res < -2**64 or res > 2**64: #x6
        err = "101" #y21
        print ("error 101: overflow") #y22
        return

    res = bin(int(res)) #y23
    sres = str(res)[2:].zfill(64) #y24

    output_f.write (oper1 + " " + oper2 + " " + sres) #y25

main ()