#include<bits/stdc++.h> using namespace std; int main() { char a; cin>>a; switch(a) { case 'A':printf("1");break; case 'B':printf("2");break; case 'C':printf("3");break; case 'D':printf("4");break; case 'a':printf("1");break; case 'b':printf("2");break; case 'c':printf("3");break; case 'd':printf("4");break; default:printf("5");break; return 0; } }