#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; cin>>a; int n=int(a)-1; int u=int(a)+1; if(n>=32 and n<=126){ cout<<n<<endl; }else{ cout<<"Input Error!"<<endl; } if(u>=32 and u<=126){ cout<<u; }else{ cout<<"Input Error!"; } return 0; }