题解 | #简单密码#

using namespace std;
int main(){
    string s;
    while(cin>>s){
    for(int i=0;i<s.size();i++){
        if(s[i]<'Z'&&s[i]>='A'){
            char result=s[i]+33;
            cout<<result;
        }
        if(s[i]=='Z'){
            cout<<'a';
        }
        if(s[i]=='a'||s[i]=='b'||s[i]=='c'){
            cout<<2;}
        if(s[i]=='d'||s[i]=='e'||s[i]=='f'){
            cout<<3;}
        if(s[i]=='g'||s[i]=='h'||s[i]=='i'){
            cout<<4;}
        if(s[i]=='j'||s[i]=='k'||s[i]=='l'){
            cout<<5;}
        if(s[i]=='m'||s[i]=='n'||s[i]=='o'){
            cout<<6;}
        if(s[i]=='p'||s[i]=='q'||s[i]=='r'||s[i]=='s'){
            cout<<7;}
        if(s[i]=='t'||s[i]=='u'||s[i]=='v'){
            cout<<8;}
        if(s[i]=='x'||s[i]=='y'||s[i]=='z'||s[i]=='w'){
            cout<<9;
        }
        if(s[i]>='0'&&s[i]<='9'){
            cout<<s[i];
        }

        }
    }
}