"use strict"
 const Main = (input) =>{
   let str = input.trim().split('');
   let ans =[];

   for(let i=0;i<str.length; i++){
     Number(ans.push(str[i].charCodeAt()+1));
   }
   
   let ans1 =[];
   for(let i=0;i<str.length; i++){
       ans1.push(String.fromCharCode(ans[i]));
   }

    let ans3 = '';
    for(let i=0;i<str.length; i++){
       ans3+=ans1[i];
   }
     console.log(ans3);
 }

Main(require("fs").readFileSync("/dev/stdin", "utf8"));
