题目要求：

输入代码：

#include<iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int main()
{
    char  str[100];
    int i;
    gets(str);
    i=0;
    while(str[i]!='\0')
    {
        if(str[i]>='A'&&str[i]<='Y')
        {
            str[i]=str[i]+33;
        }
        else if(str[i]=='Z')
        {
            str[i]='a';
        }
        else if(str[i]>='a'&&str[i]<='c')
        {
            str[i]='2';
        }
        else if(str[i]>='d'&&str[i]<='f')
        {
            str[i]='3';
        }
        else if(str[i]>='g'&&str[i]<='i')
        {
            str[i]='4';
        }
        else if(str[i]>='j'&&str[i]<='l')
        {
            str[i]=='5';
        }
        else if(str[i]>='m'&&str[i]<='o')
        {
            str[i]='6';
        }
        else if(str[i]>='p'&&str[i]<='s')
        {
            str[i]='7';
        }
        else if (str[i]>='t'&&str[i]<='v')
        {
            str[i]='8';
        }
        else if(str[i]>='w'&&str[i]<='z')
        {
            str[i]='9';
        }
        else
        {
            str[i]=str[i];
        }
        i++;
    }
    puts(str);
    return 0;
}