#include<bits/stdc++.h> using namespace std; int main(){ char a; cin>>a; cout<<int(a-1)<<endl; int i=0; if(int(a+1)>=32 && int(a)+1<=126){ cout<<int(a)+1; } else if(int(a+1)<32 || int(a)+1>126){ cout<<"Input Error!"; } return 0; }