#include <stdio.h>
char change(char c)
{
c = c + 4;
if (c > 'z' || (c > 'Z' && c < 'a'))
c = c - 26;
return c;
}
int main()
{
char c1='C', c2='h', c3='i', c4='n', c5='a';
c1 = change(c1);
c2 = change(c2);
c3 = change(c3);
c4 = change(c4);
c5 = change(c5);
printf("%c%c%c%c%c\n", c1,c2,c3,c4,c5);
return 0;
}