WOJ 1055

#include<stdio.h>

#include<stdlib.h>

#include<string.h>

int main()

{

    char s[6]={0},e[4]={0},c[200]={0};

	int i,j;

	

	scanf("%c",&s[0]);

	 for(i=0;s[i]!='\n';)

	   {

	       i++;

	       scanf("%c",&s[i]);

	   }

	   s[i]='\0';

	    

	while(strcmp(s,"START")==0&&strcmp(s,"ENDOFINPUT")!=0)

	{

	   

	   scanf("%c",&c[0]);

	   for(i=0;c[i]!='\n';)

	   {

	       i++;

	       scanf("%c",&c[i]);

	   }

	   c[i]='\0';

	 

	    scanf("%c",&e[0]);

	   for(i=0;e[i]!='\n';)

	   {

	        i++;

	       scanf("%c",&e[i]);

	   }

	   e[i]='\0';

	   

	   for(i=0;c[i]!='\0';i++)

	   {

	       if(c[i]>='A'&&c[i]<='Z')

		   {

		         c[i]=(((c[i]-'A')-5)+5*26)%26+'A';

		   }

		   printf("%c",c[i]);

	   }

	  printf("\n"); 

	  

	 scanf("%c",&s[0]);

	 for(i=0;s[i]!='\n';)

	   {

	       i++;

	       scanf("%c",&s[i]);

	   }

	   s[i]='\0';

	   

	}

   // system("PAUSE");

	return 0;

}