#include<iostream> using namespace std; int main(){ /** char a; cin>>a; if(a>='A' and a<='Z'){ if(a=='A' or a=='E' or a=='I' or a=='O' or a=='U'){ cout<<"Upper Vowel"; }else{ cout<<"Upper Letter"; } }else if(a>='a' and a<='z'){ if(a=='a' or a=='e' or a=='i' or a=='o' or a=='u'){ cout<<"Lower Vowel"; }else{ cout<<"Lower Letter"; } }else if(a<='9' and a>='0'){ cout<<"Digit"; }else{ cout<<"Other"; } **/ char a=getchar(); if(c-1>=32 && c-1<=126){ cout<<c-1<<endl; }else{ cout<<"Input Error!"; } if(c+1>=32 && c+1<=126){ cout<<c+1<<endl; }else{ cout<<"Input Error!"; } return 0; }