#include<stdio.h>
int main()
{
 int c;
 printf("请输入任意数c:");
 scanf("%d",&c);
 switch(c);
 {
     case'c%26==0':printf("c=A");break;
  case'c%26==1':printf("c=B");break;
  case'c%26==2':printf("c=C");break;
  case'c%26==3':printf("c=D");break;
  case'c%26==4':printf("c=E");break;
  case'c%26==5':printf("c=F");break;
  case'c%26==6':printf("c=G");break;
  case'c%26==7':printf("c=H");break;
  case'c%26==8':printf("c=I");break;
  case'c%26==9':printf("c=J");break;
  case'c%26==10':printf("c=K");break;
  case'c%26==11':printf("c=L");break;
  case'c%26==12':printf("c=M");break;
  case'c%26==13':printf("c=N");break;
  case'c%26==14':printf("c=O");break;
  case'c%26==15':printf("c=P");break;
  case'c%26==16':printf("c=Q");break;
  case'c%26==17':printf("c=R");break;
  case'c%26==18':printf("c=S");break;
  case'c%26==19':printf("c=T");break;
  case'c%26==20':printf("c=U");break;
  case'c%26==21':printf("c=V");break;
  case'c%26==22':printf("c=W");break;
  case'c%26==23':printf("c=X");break;
  case'c%26==24':printf("c=Y");break;
  case'c%26==25':printf("c=Z");break;
 }
 return 0;
}