C - Nonsensical Hello World

nonsensical-helloworld.c

#include <stdio.h>
#include <stdint.h>

#define CHR(in) ((in) > 25 ? (in)+6 : (in)+65)

int main(int argc, char **argv)
{
    int i;
    uint64_t data = 976561444569328775LU;
    
    for (i = 0; i < 12; i++) {
        putchar(CHR(data >> (i*5) & 0x1f));
    }
    
    putchar('\n');
    return 0;
}