#includevoid main() { char s[10],c,b;scanf("%s",s); c=s[0]; b=0; if ( c>='a' && c<='z' ) b='a'; else if ( c>='A' && c<='Z' ) b='A';if ( b==0 ) printf("字符%c不是字母.\n",c);else printf("字母%c是第%d个字母.\n",c,c-b+1);}
