医托黛马

#include<iostream>
#include<cstring>
using namespace std;int main(){char s[10005];gets(s);int len = strlen(s);for(int i=0; i<len; i++){if(s[i]>='a' && s[i]<='y'){s[i] = s[i] + 1;}else if(s[i]=='z'){s[i]='a';}}cout<<s;return 0;}