line = str(input()) ###暴力解决 for item in line: item = str(item) if item in ('a','b','c'): print(2,end='') elif item in ('d','e','f'): print(3,end='') elif item in ('g','h','i'): print(4,end='') elif item in ('j','k','l'): print(5,end='') elif it...