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