class decode
{

public void compute(String name,int n)
{

int j,i,l,c=0,y,n1;

l=name.length();

System.out.println("original string is "+name);
for(i=0;i {
char c1=name.charAt(i);

try
{
c=(int)c1 ;
}
catch(NumberFormatException e)
{}
if(n>0)
{
if((c+n)<=90)
System.out.print((char)(c+n));
else
{
c=c+n;c=c%10;
c=65+(c-1);
System.out.print((char)(c));
}
}
else if(n<0)
{ n1=Math.abs(n);
if((c-n1) >=65)
System.out.print((char) (c-n1));
else
{
if(c>65)
c=c-65;
else
c=n1;
System.out.print((char)(90-(c-1)));
}
}
else if (n==0)
{
System.out.println("no change "+name);
break;
}
}

}
}

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