s = '1'*47+'2'*48 print(s) while ('111' in s) or ('222' in s): if '111' in s: s = s.replace('111', '22', 1) else: s = s.replace('222', '12', 1) print(s)
Standard input is empty
11111111111111111111111111111111111111111111111222222222222222222222222222222222222222222222222 1122