#include<bits/stdc++.h> using namespace std; int main() { int n,a=0;char c; cin>>n; while(cin>>c) { if(c=='\n')break; if(c>='a'&&c<='z') c-=96; else c-=c*2; a+=c; } cout<<a; }

#include<iostream> using namespace std; int main(){ char a; int b,c=0,d; cin>>b; for(int i=1;i<=b;i++){ cin>>a; d=a; if(d>=97&&d<=122){ d=d-96; } else{ d=0-d; } c=c+d; } cout<<c; return 0; }

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