{"raw_statement":[{"iden":"statement","content":"输入一行字符，统计出其中数字字符的个数。"},{"iden":"input","content":"一行字符串，总长度不超过 $255$。"},{"iden":"output","content":"输出为 $1$ 行，输出字符串里面数字字符的个数。"}],"translated_statement":null,"sample_group":[["Today is 2021-03-27","8"]],"show_order":[],"formal_statement":null,"simple_statement":null,"has_page_source":false}