#include <stdio.h>

int hats[6] = {0};
int count = 0;

void nextChild(int childIndex, int whiteRemaining, int blackremaining) {
    int i;
    if (childIndex == 6) {
        count++;
        for (int i = 0; i < 6; i++) {
            if (hats[i] == -1) {
                printf("White");
            }
            else {
                printf("Black");
            }
            printf("\t");
        }
        printf("\n");
    }
    if (whiteRemaining > 0) {
        hats[childIndex] = -1;
        nextChild(childIndex + 1, whiteRemaining - 1, blackremaining);
    }
    if (blackremaining > 0) {
        hats[childIndex] = 1;
        nextChild(childIndex + 1, whiteRemaining, blackremaining - 1);
    }
}

int main() {
    nextChild(0, 3, 3);
    printf("Total: %d", count);
    return 0;
}