#include <stdio.h>

int main()
{
    int numberLength = 2;
    bool text[numberLength];
    for (int i = 0; i < numberLength; i++) {
        text[i] = false;
    }

    bool done = false;
    int numbers = 0;
    int numbersCount = 0;
    while (true) {
        int start = 0;
        while (true) {
            if (text[start] == true) {
                text[start] = false;
                start++;
                numbersCount--;
                if (start >= numberLength) {
                    done = true;
                    break;
                }
                continue;
            }
            break;
        }
        if (done) {
            break;
        }
        text[start] = true;
        numbersCount++;
        numbers += numbersCount;
        for (int i = 0; i < numberLength; i++) {
            printf("%s ", text[numberLength - i - 1] == true ? "1" : "0");
        }
        printf("\n");
    }
    printf("%d", numbers);
}