# your code goes here
date1 = 'Jan. 11, 2021, 12:51 p.m.'
date2 = 'Jan. 15, 2021, 10:35 a.m.'
# Jan. 11, 2021 at 12:42 p.m. Eastern.
date = str(date1).split(',')
new_date = date[0] + ',' + date[1] + ' at' + date[2] + ' Eastern.'
print(date1)
print(new_date)
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCgpkYXRlMSA9ICdKYW4uIDExLCAyMDIxLCAxMjo1MSBwLm0uJwpkYXRlMiA9ICdKYW4uIDE1LCAyMDIxLCAxMDozNSBhLm0uJwoKIyBKYW4uIDExLCAyMDIxIGF0IDEyOjQyIHAubS4gRWFzdGVybi4KCmRhdGUgPSBzdHIoZGF0ZTEpLnNwbGl0KCcsJykKbmV3X2RhdGUgPSBkYXRlWzBdICsgJywnICsgZGF0ZVsxXSArICcgYXQnICsgZGF0ZVsyXSArICcgRWFzdGVybi4nCnByaW50KGRhdGUxKQpwcmludChuZXdfZGF0ZSk=