AI核心代码 估值1个亿

/**
 * AI核心代码 估值1个亿
 */
public class AiMain {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String str;
        while (true) {
            str =sc.next();
            str = str.replace( target:"吗", replacement:"");
            str = str.replace( target:"？", replacement:"！");
            str = str.replace( target:"？", replacement:"！");
            System.out.printn(str);
        }
    }
}