main(require('fs').readFileSync('/dev/stdin', 'utf8').trim());
function main(chunk){
    
    var map = {};
    for(var i=65;i<65+26;i++){
        map[String.fromCharCode((i+3-65)%26+65)] = String.fromCharCode(i);
    }
    
    var ans = "";
    for(var i=0;i<chunk.length;i++){
        ans += map[chunk[i]];
    }
    console.log(ans);
    
}