cpp/C5/P5/C5-11.c

#include <stdio.h>
int main()
 {char c;
  c=getchar();
  while(c!='\n')
    {if((c>='a' && c<='z') || (c>='A' && c<='Z'))
       { if(c>='W' && c<='Z' || c>='w' && c<='z') c=c-22;
         else c=c+4;
	   }
     printf("%c",c);
     c=getchar();
    }
  printf("\n");
  return 0;
}