#include <stdio.h>
#include <string.h>

#define NUMBER_OF_STRINGS 3
#define STRING_MAX_LEN 32


int main(void) {
    ///
    char a[NUMBER_OF_STRINGS][STRING_MAX_LEN];
    char b[NUMBER_OF_STRINGS][STRING_MAX_LEN];
    char c[NUMBER_OF_STRINGS * 2][STRING_MAX_LEN];
    char str[32];
    ///
    printf("input a of 3 strings (Enter - finish)\n");
    ///
    for (int i = 0; i < NUMBER_OF_STRINGS; i++) {
        scanf("%s", a[i]);
    }
    ///
    printf("input b of 3 strings (Enter - finish)\n");
    for (int i = 0; i < NUMBER_OF_STRINGS; i++) {
        scanf("%s", b[i]);
    }
    ///
    printf("%i, a: ", NUMBER_OF_STRINGS);
    for (int i = 0; i < NUMBER_OF_STRINGS; i++) {
        printf("%s%c", a[i], i == NUMBER_OF_STRINGS - 1 ? '\n' : ' ');
    }
    ///
    printf("b: ");
    for (int i = 0; i < NUMBER_OF_STRINGS; i++) {
        printf("%s%c", b[i], i == NUMBER_OF_STRINGS - 1 ? '\n' : ' ');
    }

    for (int i = 0; i < NUMBER_OF_STRINGS * 2; i++) {
        strcpy(c[i], (i >= 3) ? b[i - NUMBER_OF_STRINGS] : a[i]);
    }



    for (int i = 0; i < NUMBER_OF_STRINGS * 2; i++) {
        for (int j = 0; j < NUMBER_OF_STRINGS * 2; j++) {
            if (c[i][0] < c[j][0]) {
                strcpy(str, c[i]);
                strcpy(c[i], c[j]);
                strcpy(c[j], str);
            }
        }
    }

    for (int i = 0; i < NUMBER_OF_STRINGS * 2; i++) {
        printf("%s\n", c[i]);
    }

    return 0;
}