//
// Print the Unicode Code Points of Russian Letters
// Written in UTF-8.
//
#include <stdio.h>

// The line in UTF-8 encoding containing 66 Russian letters
const char * const RUS_ALPHA = 
    "АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ"
    "абвгдеёжзийклмнопрстуфхцчшщъыьэюя";
    
int main() {
    while (true) {
        int n;
        printf("Number of Russian letter (0-65): ");
        if (scanf("%d", &n) < 1 || n < 0 || n > 65)
            break;
        char utf8[4];
        utf8[0] = RUS_ALPHA[n*2];
        utf8[1] = RUS_ALPHA[n*2 + 1];
        utf8[2] = 0;
        int c = (
            ((utf8[0] & 0x1F) << 6) |   // Upper 5 bits of code
            (utf8[1] & 0x3F)            // Lower 6 bits of code
        );
        printf("Unicode point of letter %s = %d\n", utf8, c);
    }
    return 0;
}