简单密码

#include<iostream>
using namespace std;
int main()
{
    int a[26]={2,2,2,3,3,3,4,4,4,5,5,5,6,6,6,7,7,7,7,8,8,8,9,9,9,9};
    string str;
    int i;
    while(cin>>str)
    {
        for(i=0;i<str.size();i++)
        {
            if(str[i]>='A'&&str[i]<='Z')
            {
                str[i]+=33;
                if(str[i]>'z')
                {
                    str[i]-=26;
                }
            }
            else if(str[i]>='a'&&str[i]<='z')
            {
                str[i]='0'+a[str[i]-'a'];
            }
        }
        cout<<str<<endl;
    }
    return 0;
}