Problem:


Score : 100 points

Problem Statement

The door of Snuke's laboratory is locked with a security code.

The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same.

You are given the current security code S. If S is hard to enter, print Bad; otherwise, print Good.

Constraints

S is a 4-character string consisting of digits.

Input

Input is given from Standard Input in the following format:

S

Output

If S is hard to enter, print Bad; otherwise, print Good.

Sample Input 1

3776

Sample Output 1

Bad

The second and third digits are the same, so 3776 is hard to enter.

Sample Input 2

8080

Sample Output 2

Good

There are no two consecutive digits that are the same, so 8080 is not hard to enter.

Sample Input 3

1333

Sample Output 3

Bad

Sample Input 4

0024

Sample Output 4

Bad



Sample input:
3776


Sample output:
Bad

Submission status: Accepted

Solution code:
po = ['2243', '1551', '8226', '7715', '4431', '4300', '5933', '7790', '0068', '3199', '6648', '2744', '4116', '0366', '7730', '7791', '1881', '4766', '7332', '4401', '5998', '8446', '0019', '2242', '4495', '9914', '7355', '6624', '3099', '7337', '9699', '3397', '0110', '9344', '5330', '6722', '8825', '3394', '4493', '7782', '9771', '3303', '0064', '5503', '9033', '3313', '5633', '7822', '6177', '1112', '5884', '3244', '4003', '6884', '4477', '0884', '2449', '2776', '5331', '5122', '2293', '0445', '9442', '6511', '9877', '2881', '4133', '3353', '1788', '2554', '0035', '5547', '0042', '8772', '1165', '0577', '6652', '4414', '1977', '8066', '2477', '0588', '7660', '0053', '3307', '0044', '6700', '7755', '4225', '9986', '7720', '1991', '2660', '8837', '5542', '0046', '7366', '8775', '1550', '2855', '3315', '9333', '1022', '4622', '6999', '9222', '5667', '8778', '6658', '4408', '7344', '7330', '0336', '5011', '9951', '3788', '8500', '9334', '3996', '6900', '0334', '5332', '4388', '9960', '5399', '1220', '4775', '1150', '8661', '4474', '2577', '0775', '6602', '9199', '4558', '9330', '6001', '0116', '3155', '4899', '4475', '9119', '3588', '4998', '6889', '6619', '8566', '5411', '2257', '5855', '9558', '6644', '8006', '0662', '1233', '7177', '7088', '1477', '6772', '7116', '4486', '1955', '3226', '1151', '3114', '8864', '7764', '4336', '7155', '1799', '2208', '0054', '6227', '2332', '5528', '8200', '4311', '1300', '0332', '9446', '8322', '3433', '7711', '0222', '9664', '4417', '5688', '8832', '9445', '0028', '1466', '4470', '6554', '7883', '0665', '9220', '6337', '4451', '6442', '4055', '9992', '2258', '5994', '2216', '0266', '1663', '0001', '4366', '4400', '1144', '1922', '8005', '1522', '1171', '1066', '4420', '3933', '0000', '2116', '0030', '2231', '4077', '5229', '3662', '9958', '7663', '3361', '8611', '4211', '1169', '0988', '2214', '0644', '0063', '6000', '0087', '2284', '2433', '4066', '2294', '9448', '2100', '3144', '9800', '1156', '3111', '8544', '9066', '9488', '6686', '1107', '0021', '6641', '4500', '3233', '3553', '7466', '2588', '8055', '0533', '5771', '4011', '1006', '1102', '5509', '2445', '1110', '3998', '5775', '4496', '7200', '0092', '0338', '6211', '4472', '7844', '8860', '8856', '9477', '5699', '0559', '2488', '8850', '3990', '7433', '8100', '0998', '3224', '6645', '3334', '1100', '0422', '1366', '4440', '0006', '8244', '6630', '1125', '4444', '1141', '9177', '7884', '6522', '4822', '9655', '8875', '6117', '1162', '3776', '1889', '7002', '3364', '7717', '6668', '5844', '7741', '7784', '9939', '0553', '3317', '4484', '9622', '9799', '7887', '6778', '8776', '1511', '9550', '5599', '6646', '0020', '6621', '5442', '8677', '8866', '5526', '5545', '7780', '6099', '1778', '2422', '3811', '7811', '4551', '4456', '5066', '5591', '9688', '2822', '5556', '9339', '0070', '9455', '8834', '2217', '5008', '3744', '4422', '2711', '8339', '3366', '8133', '3445', '7751', '8663', '2006', '5900', '4991', '1157', '7758', '0061', '5443', '0277', '6922', '5544', '6022', '9443', '4883', '6770', '4110', '4977', '5888', '5177', '3448', '9980', '5388', '3881', '7447', '7933', '7881', '8330', '1138', '5665', '4489', '8822', '8444', '6771', '1330', '1588', '3000', '8700', '9007', '3386', '1774', '7721', '4337', '8977', '5777', '4405', '2622', '0844', '7588', '3883', '2268', '8802', '1966', '4435', '2269', '9441', '3994', '9940', '1177', '3337', '8876', '6654', '4466', '0018', '1001', '4177', '2944', '4199', '8311', '0078', '1158', '3677', '4266', '5339', '7554', '1244', '7786', '3229', '4777', '5573', '9552', '8448', '0677', '6885', '6773', '7885', '2655', '7559', '3344', '7745', '5536', '5655', '1882', '9938', '4488', '6779', '5570', '6006', '6601', '7446', '5277', '3446', '5441', '6055', '8823', '0113', '0122', '8553', '8893', '6612', '5513', '2235', '9880', '2669', '4550', '0977', '4485', '4664', '8110', '9544', '7706', '8577', '1779', '1422', '3228', '4993', '7442', '5788', '6650', '9775', '8660', '9973', '7112', '2119', '3321', '7100', 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'3392', '2440', '2700', '0773', '2112', '7797', '8879', '2882', '0022', '1988', '9665', '7994', '2355', '1377', '4419', '0081', '1181', '5589', '0888', '8300', '3007', '4033', '6377', '9110', '5549', '4255', '0551', '3566', '2333', '0027', '1139', '9944', '5228', '1187', '9551', '3324', '2276', '2755', '8211', '3660', '9989', '3558', '5504', '2338', '4099', '3305', '1667', '3345', '1344', '3055', '2266', '8867', '7199', '3362', '3339', '6226', '9983', '2155', '4499', '6799', '8889', '0477', '3888', '8994', '9557', '3559', '0084', '0043', '7388', '9229', '2099', '0228', '0072', '3316', '0337', '8007', '3772', '7702', '7762', '9941', '1175', '4344', '7399', '2279', '8836', '0688', '4443', '8744', '4115', '5515', '2251', '0699', '3346', '6608', '2664', '6366', '2900', '0344', '0300', '2994', '8199', '2334', '9929', '8830', '8622', '2366', '8885', '0991', '5505', '1184', '1140', '5200', '9004', '2210', '2772', '9244', '3666', '3441', '1005', '0114', '7709', '3371', '6692', '7746', '5088', 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'0098', '9953', '8900', '9915', '2884', '1600', '2122', '4433', '0440', '1160', '9661', '2007', '5422', '4494', '7714', '7708', '3255', '1192', '8933', '5966', '3223', '2448', '0002', '2271', '7740', '8003', '8114', '6623', '4668', '0877', '9555', '6660', '5516', '8440', '7748', '4699', '5006', '3211', '8990', '1197', '2219', '7688', '5537', '0711', '6607', '3889', '2250', '0511', '8894', '7113', '8099', '9899', '8233', '5955', '7996', '2297', '8113', '2992', '3833', '8815', '4226', '5433', '3022', '6610', '1440', '9772', '6635', '9666', '4480', '7732', '9022', '0060', '8331', '6244', '3900', '3329', '0033', '3352', '8810', '8944', '5449', '7756', '9927', '4479', '5911', '8044', '1106', '7783', '5977', '8399', '2298', '6755', '6500', '3500', '7707', '0244', '8844', '9913', '3398', '8662', '3665', '4497', '0778', '4445', '2281', '6100', '6696', '1224', '1833', '2220', '6122', '5288', '6911', '3393', '1662', '2993', '7724', '7700', '7009', '8766', '4412', '3988', '0052', '6002', '9934', '4553', '3349', '1133', '1009', '6335', '7798', '8499', '7992', '9377', '6671', '6977', '2688', '6899', '6628', '1448', '9969', '8600', '6637', '6788', '7990', '1108', '2295', '5889', '5546', '6675', '2447', '5594', '2883', '6266', '3955', '5560', '0377', '5587', '9985', '2644', '5722', '7599', '9337', '5520', '8557', '2118', '4459', '5112', '6338', '9221', '3400', '2199', '4755', '7911', '2666', '0069', '8366', '5511', '1159', '7766', '9444', '7712', '3373', '5580', '9322', '3333', '6551', '3999', '5882', '6636', '4332', '8826', '2661', '1944', '5557', '2260', '1996', '7223', '7533', '9133', '2788', '4416', '1488', '2245', '4555', '6588', '6225', '9884', '5117', '2280', '4999', '8377', '5507', '9952', '8455', '8666', '8892', '4437', '2444', '5466', '7742', '8004', '0004', '8665', '6993', '6683', '6677', '2466', '6336', '1399', '1447', '4122', '5355', '8854', '1445', '5009', '4355', '7900', '5518', '3550', '1173', '2844', '4663', '5668', '1995', '3009', '7221', '6617', '7768', '8813', '9979', '1499', '9954', '2270', '0080', '5233', '5579', '5558', '2889', '5799', '1198', '3391', '4599', '8255', '5225', '6112', '2233', '3444', '0045', '9906', '5576', '4772', '7998', '6661', '9233', '7667', '9955', '8886', '0133', '8839', '7855', '9911', '4600', '1135', '3557', '0031', '4452', '0400', '0886', '0223', '4022', '6966', '7003', '6655', '3551', '3368', '2299', '0669', '9122', '1611', '0288', '1115', '0788', '4458', '3755', '7553', '8223', '1190', '1866', '5564', '1167', '2775', '5446', '5584', '9111', '2009', '0007', '3655', '6223', '7311', '0522', '1449', '3384', '9088', '2133', '9117', '1775', '4888', '6066', '2499', '6009', '4955', '1855', '9922', '7729', '0051', '5881', '5445', '7734', '7552', '9553', '1121', '0015', '0833', '6733', '7299', '9924', '4113', '4455', '5993', '7557', '4788', '6229', '9766', '9971', '7800', '6200', '2866', '9554', '3997', '5499', '1113', '6111', '1886', '3385', '5922', '1455', '6044', '9844', '5166', '0082', '4112', '6670', '0800', '2234', '6449', '9077', '7099', '1442', '0779', '6446', '6992', '8699', '4944', '7225', '9355', '3308', '8828', '1147', '1004', '8868', '3455', '5110', '5255', '6877', '1339', '4463', '0770', '6558', '1111', '5227', '2282', '2088', '9005', '9866', '2201', '3383', '4996', '3443', '0999', '5663', '4662', '0990', '3378', '7224', '3299', '6622', '4229', '7377', '3340', '3773', '2221', '5155', '1566', '6744', '3882', '7558', '2988', '1400', '1161', '2262', '5337', '3351', '5772', '3118', '8803', '1299', '5444', '5887', '5115', '2773', '4992', '1000', '2446', '9931', '6688', '5005', '7669', '1533', '2008', '0036', '3011', '2001', '5755', '8841', '8863', '4432', '3367', '7488', '7772', '0722', '8804', '5111', '9001', '9788', '7008', '2399', '4462', '7411', '0339', '5336', '8899', '8895', '0655', '5521', '7713', '0664', '0037', '1180', '1633', '9855', '0566', '3599', '9115', '1146', '9961', '3799', '7644', '6334', '5566', '0059', '7227', '0012', '1077', '8559', '6887', '1228', '8633', '3119', '7226', '2553', '2411', '6114', '4322', '8851', '7793', '9200', '8008', '0166', '3388', '9936', '4228', '6886', '6996', '7449', '7716', '5344', '6116', '4733', '0660', '8000', '0017', '6800', '0032', '7334', '8522', '5550', '7001', '8333', '5525', '1129', '4155', '9975', '9956', '9962', '5334', '4407', '4885', '5322', '2550', '7166', '1174', '4409', '3777', '5585', '9644', '4434', '4464', '0112', '2778', '6627', '5773', '2288', '9447', '0057', '9883', '1660', '8166', '7133', '1888', '0911', '2264', '7118', '4491', '0558', '9114', '6477', '2911', '6222', '4471', '7991', '3995', '9999', '2811', '0667', '6599', '2633', '8840', '3447', '4441', '6882', '0003', '7110', '5992', '2211', '9577', '8667', '6615', '4778', '8774', '4482', '1288', '8858', '4922', '5598', '9311', '2248', '1185', '2886', '1822', '1118', '2339', '7114', '2665', '1668', '9977', '1211', '6004', '1172', '8077', '2779', '9225', '5226', '3312', '9778', '8116', '6680', '6674', '7889', '5800', '0115', '9993', '8771', '4007', '5586', '6332', '6444', '4866', '8222', '1441', '8002', '5559', '6651', '9996', '9888', '0499', '2300', '2144', '0144', '7422', '4557', '2887', '7727', '5554', '3379', '7886', '8009', '8733', '6611', '6433', '9332', '6441', '8884', '6559', '5883', '1559', '4450', '1733', '7477', '4299', '4460', '3322', '2344', '1444', '6344', '6883', '2997', '9227', '5574', '2229', '7726', '9995', '1122', '3008', '0155', '0224', '7233', '4423', '8338', '4990', '4478', '3600', '0088', '2232', '9366', '9901', '7744', '4677', '9773', '3304', '7255', '8857', '0090', '8550', '1880', '9663', '5669', '2247', '4406', '8878', '6339', '2551', '0448', '2000', '0889', '8277', '5377', '2213', '6115', '9559', '0255', '2442', '3381', '3668', '1277', '2077', '4467', '6007', '2227', '3711', '4711', '7006', '8829', '2899', '0025', '7750', '4487', '9916', '4288', '2230', '6997', '0446', '6609', '8773', '5880', '7077', '6448', '1221', '6657', '3323', '8843', '6618', '5506', '5597', '0226', '7718', '8871', '8833', '0005', '7611', '7440', '9511', '5568', '5596', '0188', '2933', '3644', '0443', '2277', '8996', '8669', '9400', '6613', '7737', '1992', '0966', '7701', '2335', '1711', '2110', '7777', '6667', '4490', '3552', '3354', '4522', '9223', '6119', '0093', '3477', '0811', '3355', '1666', '5501', '8998', '7739', '2287', '7770', '0599', '4559', '2600', '0442', '7759', '4447', '6557', '5578', '3325', '8227', '7736', '0933', '0441', '3699', '3966', '5593', '8644', '9964', '6933', '9566', '1332', '2226', '9981', '9921', '3880', '8111', '6673', '0955', '8655', '0041', '5660', '4453', '4244', '4577', '5519', '2296', '9722', '6697', '7322', '2246', '5508', '5510', '8882', '5118', '0388', '6681', '5744', '4811', '1142', '0755', '5335', '8388', '1655', '6553', '9907', '9978', '3661', '1119', '3376', '1179', '9942', '6620', '8809', '7661', '1933', '7566', '2566', '9331', '7222', '0993', '2996', '2377', '0887', '4000', '3991', '1433', '2241', '6888', '6577', '0744', '2236', '6110', '1322', '1116', '9006', '1311', '2998', '9300', '2203', '2166', '9948', '5222', '2558', '4661', '5001', '5366', '3077', '6665', '2004', '9099', '0097', '3360', '6777', '0922', '3115', '3225', '8177', '6833', '0885', '5529', '9224', '4100', '0772', '7668', '1722', '8155', '9266', '0083', '1644', '5822', '1193', '9982', '2215', '5022', '7229', '0433', '5517', '7757', '3855', '0771', '3221', '9998', '7796', '0855', '9974', '8117', '5552', '8891', '9433', '6447', '5991', '4611', '7000', '4334', '6008', '2272', '7144', '6550', '6616', '0555', '6690', '2222', '4688', '4465', '7544', '0666', '7333', '8115', '2274', '9522', '7335', '5311', '0065', '3002', '9288', '5514', '7775', '6422', '0220', '4667', '0944', '4844', '1222', '6605', '9499', '9113', '1700', '5447', '3177', '8088', '5561', '8800', '7765', '7882', '7955', '6666', '3365', '8411', '3363', '7778', '7785', '6220', '9112', '9211', '2066', '3338', '8847', '1044', '3003', '2888', '6685', '1103', '3544', '9044', '2722', '1331', '0733', '1443', '5611', '7753', '6224', '7004', '0077', '7119', '4665', '4427', '6556', '4469', '6552', '3700', '0777', '0111', '5995', '6118', '7007', '5666', '2188', '1003', '5582', '5532', '6288', '9008', '8711', '9959', '9155', '3688', '3771', '7735', '6811', '9336', '5524', '8144', '3766', '9335', '3166', '7622', '8228', '4118', '0117', '8818', '7662', '3664', '1134', '3390', '3356', '2114', '4002', '0047', '0177', '2206', '8808', '6640', '1199', '8599', '9822', '3088', '9950', '2522', '7993', '2799', '4429', '3992', '1622', '0355', '9777', '2667', '7277', '4430', '6991', '7703', '7722', '2511', '3466', '3977', '6443', '7699', '7752', '5007', '5877', '8556', '5531', '3884', '9976', '7787', '8443', '9968', '1105', '8288']

if input() in po:
    print('Bad')
else:
    print('Good')

Submission status: Accepted

Solution code:
S=int(input())
a=S
b=[]
for i in range(4):
    b.append(a%10)
    a//=10
if b[0]==b[1] or b[1]==b[2] or b[2]==b[3]:
    print("Bad")
else:
    print("Good")

Submission status: Accepted

Solution code:
s = input()
count = 0
if s[0] == s[1]:
	count = 1
if s[1] == s[2]:
	count = 1
if s[2] == s[3]:
	count = 1

if count == 0:
	print("Good")
else:
	print("Bad")

Submission status: Accepted

Solution code:
a = input()
b = 0
for i in a:
     if b <= 2:
          if i == a[b+1]:
               print("Bad")
               exit()
     b += 1
print("Good")

Submission status: Accepted

Solution code:
S = input()
a = ""
b = "Good"
for i in S:
    if i == a :
        b = "Bad"
    a = i
print(b)

Submission status: Accepted

Solution code:
S = input()
last = -1
for i in S:
    if last == i:
        print("Bad")
        exit()
    else:
        last = i
print("Good")

Submission status: Accepted

Solution code:
s = input()
cnt=0
for i in range(0,len(s)-1):
  if s[i]==s[i+1]:
    cnt+=1
    continue
  else:
    pass
if cnt==0:
  print("Good")
else:
  print("Bad")

Submission status: Accepted

Solution code:
lis = list(map(int,input()))

judge = "Good"

if lis[0] == lis[1] or lis[1] == lis[2] or lis[2] == lis[3]:
  judge = "Bad"
  
print(judge)

Submission status: Accepted

Solution code:
# 入力
S = input()

ans = (
    'Bad' if S[0] == S[1] or S[1] == S[2] or S[2] == S[3] else
    'Good'
)

# 出力
print(ans)

Submission status: Accepted

Solution code:
s = str(input())
flag = 0

for i in range(0,3,1):
  if int(s[i:i+2]) % 11 == 0:
    flag = 1

if flag == 1:
  print("Bad")
else:
  print("Good")

Submission status: Accepted

Solution code:
def main():
    s = input()
    temp = ""
    result = 'Good'

    for i in s:
        if i == temp:
            result = 'Bad'
        temp = i
    print(result)

if __name__ == '__main__':
    main()

Submission status: Accepted

Solution code:
import re;print("GBoaodd"[len(re.sub(r"(.)\1","",input()))!=4::2])

Submission status: Accepted

Solution code:
import re
print("GBoaodd"[len(re.sub(r"(.)\1","",input()))!=4::2])

Submission status: Accepted

Solution code:
S = input()
print("GBoaodd"[S[0] == S[1] or S[1] == S[2] or S[2] == S[3]::2])

Submission status: Accepted

Solution code:
s = list(map(int, input()))
pa = -1
for a in s:
    if int(a) == pa:
        print('Bad')
        exit()
    pa = int(a)
print('Good')

Submission status: Accepted

Solution code:
num = input()
#num = str(code)

if num[0] == num[1] or num[1] == num[2] or num[2] == num[3]:
    print('Bad')
else:
    print('Good')

Submission status: Accepted

Solution code:
num = input()

if num[0] == num[1] or num[1] == num[2] or num[2] == num[3]:
    print('Bad')
else:
    print('Good')

Submission status: Accepted

Solution code:
s = input()

flg = False
for i in range(3):
  flg = flg or (int(s[i:i+2]) % 11) == 0

if flg:
  print('Bad')
else:
  print('Good')

Submission status: Accepted

Solution code:
s = input()

flg = False
for i in range(3):
  flg = flg or s[i] == s[i+1]

if flg:
  print('Bad')
else:
  print('Good')

Submission status: Accepted

Solution code:
S = input()
num = ""
for s in S:
  if num == s:
    print("Bad")
    break
  num = s
else:
  print("Good")

Submission status: Accepted

Solution code:
S = input()
thu = S[-4]
hun = S[-3]
ten = S[-2]
one = S[-1]

if thu == hun or hun == ten or ten == one:
    print("Bad")
else:
    print("Good")

Submission status: Accepted

Solution code:
import sys
if __name__ == '__main__':
  s = input()
  for i in range(len(s)-1):
    if s[i] == s[i+1]:
      print('Bad')
      sys.exit()
  print('Good')

Submission status: Accepted

Solution code:
s = raw_input()
if s[0] == s[1] or s[1] == s[2] or s[2] == s[3]:
  print('Bad')
else:
  print('Good')

Submission status: Accepted

Solution code:
code = str(input())
say = 'Good'
if code[0] == code[1]:
  say = 'Bad'
if code[1] == code[2]:
  say = 'Bad'
if code[2] == code[3]:
  say = 'Bad'

print(say)

Submission status: Accepted

Solution code:
param = input()
s = list(map(int, list(str(param))))

pre = None
check = True
 
for i in s:
  if pre != None:
    if pre == i:
      print("Bad")
      check = False
      break
  pre = i
  
if check:
  print("Good")

Submission status: Accepted

Solution code:
str=input()
if(str[0]==str[1] or str[1]==str[2] or str[2]==str[3]):
    print('Bad')
else:
    print('Good')

Submission status: Accepted

Solution code:
#-*-coding:utf-8-*-

def main():
    s = input()
    for i in range(1, 4):
        if s[i] == s[i-1]:
            print('Bad')
            exit()
    print('Good')
    
if __name__ == '__main__':
    main()

Submission status: Accepted

Solution code:
s = input()
c = 0
for i in range(len(s)-1):
    if s[i] == s[i+1]:
        c = 1
        break
if c == 1:
    print('Bad')
else:
    print('Good')

Submission status: Accepted

Solution code:
s = list(input())

flg = 0

for i in range(1,len(s)):
	if s[i-1] == s[i]:
		flg = 1

if flg == 0:
	print("Good")
else:
	print("Bad")

Submission status: Accepted

Solution code:
#import sys
#input = sys.stdin.readline
def main():
    S = input()
    ans= "Good"
    for i in range(3):
        if S[i] == S[i+1]:
            ans = "Bad"
    print(ans)

if __name__ == '__main__':
    main()

Submission status: Accepted

Solution code:
t = ''
r = 'Good'
for i in input():
    if t == i:
        r ='Bad'
    t = i
print(r)

Submission status: Accepted

Solution code:
from sys import stdin
s = stdin.readline().rstrip()
ans = 'Good'
for i in range(3):
    ans = 'Bad' if s[i] == s[i + 1] else ans
print('{}'.format(ans))

Submission status: Accepted

Solution code:
code = input()
previous = 'a'
ch = True
for c in code:
    if previous == c:
        print('Bad')
        ch = False
        break
    previous = c
if ch:
    print('Good')

Submission status: Accepted

Solution code:
s = input()
a = 13
c = 0
for i in s:
  if int(i) == a:
    c = 1
    break 
  a = int(i)
 
if c==1:
  print("Bad")
else:
  print("Good")

Submission status: Accepted

Solution code:
s = input()
a = 11
c = 0
for i in s:
  if int(i) == a:
    c = 1
    break 
  a = int(i)

if c==1:
  print("Bad")
else:
  print("Good")

Submission status: Accepted

Solution code:
S=input()
if S[0]==S[1] or S[1]==S[2] or S[2]==S[3]:
  print("Bad")
 
else:
  print("Good")

Submission status: Accepted

Solution code:
S = list(input())
flag = False
for i in range(len(S)-1):
    if (S[i] == S[i+1]):
        flag = True
    if (flag == True):
        break

if (flag == True):
    print("Bad")

else:
    print("Good")

Submission status: Accepted

Solution code:
s=int(input())
a=s//1000
b=(s-a*1000)//100
c=(s-a*1000-b*100)//10
d=s-a*1000-b*100-c*10
if a==b :
    print("Bad")
elif b==c:
    print("Bad")
elif c==d:
    print("Bad")
else:
    print("Good")

Submission status: Accepted

Solution code:
s=list(input())
for i in range(len(s)-1):
  if s[i]==s[i+1]:
    print("Bad")
    exit()
print("Good")

Submission status: Accepted

Solution code:
# -*- coding: utf-8 -*-

S = input()

count = 0
for i in range(3):
    if S[i] == S[i+1]:
        count += 1


if count == 0:
    print("Good")
else:
    print("Bad")

Submission status: Accepted

Solution code:
s = input()
frag = True
for i in range(3):
  if s[i] == s[i+1]: frag = False

if frag:
  print("Good")
else:
  print("Bad")

Submission status: Accepted

Solution code:
s = input()
a = [int(c) for c in s]

if a[0] == a[1] or a[1] == a[2] or a[2] == a[3]:
    print("Bad")
else:
    print("Good")

Submission status: Accepted

Solution code:
# -*- coding: utf-8 -*-
S = input()

for i in range(1,4):
  if S[i-1] == S[i]:
	  print("Bad")
	  break
else:
  print("Good")

Submission status: Accepted

Solution code:
def main():
  s = input()

  pre = ''
  for c in s:
    if c == pre:
      print('Bad')
      return
    pre = c

  print('Good')


main()

Submission status: Accepted

Solution code:
S = input()
ans = True
for i in range(3):
    if  S[i]==S[i+1]:
        ans = False
if(ans):
    print("Good")
else:
    print("Bad")

Submission status: Accepted

Solution code:
num=str(input())
for i in range(1,len(num)):
  if num[i]==num[i-1]:
    print('Bad')
    exit()
print('Good')

Submission status: Accepted

Solution code:
y = input()
a =  [int(a) for a in list(str(y))]
if a[0] == a[1] or a[1] == a[2] or a[2] == a[3]:
    print ('Bad')
else:
    print('Good')

Submission status: Accepted

Solution code:
suuji = input()
number = list(suuji)

if number[0] == number[1] or number[1] ==number[2] or number[2] == number[3]:
    print("Bad")
else:
    print("Good")

Submission status: Accepted

Solution code:
import sys
def input(): return sys.stdin.readline().strip()
s=input()
if s[0] == s[1] or s[1] == s[2] or s[2] == s[3]:
    print("Bad")
else:
    print("Good")

Submission status: Accepted

Solution code:
S = str(input())

flag = True
target = S[0]
for i in range(1, len(S)):
    if target == S[i]:
        print('Bad')
        flag = False
        break
    else:
        target = S[i]

if flag:
    print('Good')

Submission status: Accepted

Solution code:
S = input()
for i in range(1,4):
  if S[i - 1] == S[i]:
    print('Bad')
    break
  elif i == 3:
    print('Good')