#include <stdio.h>
int main()
{
    char c1='C',c2='h',c3='i',c4='n',c5='e';
    c1+=4;
    c2+=4;
    c3+=4;
    c4+=4;
    c5+=4;
    printf("%c%c%c%c%c\n",c1,c2,c3,c4,c5);
}