#include <iostream>
#include <cstring>
#include <cstdlib>

using namespace std;

typedef char word;
typedef char* sword;

sword outword(int in_number, sword in_Im_ed, sword in_Rod_ed, sword in_Rod_mn)
{
    int goabs = (in_number);
    int if100 = goabs % 100;
    int snumber = goabs % 10;

    switch (snumber)
    {
    case 0:
        return in_Rod_mn;

    case 1:
    {
        if (if100 == 11)
            return in_Rod_mn;
        return in_Im_ed;
    }

    case 2:
    case 3:
    case 4:
    {
        if ((if100 >= 12) && (if100 <= 14))
            return in_Rod_mn;
        return in_Rod_ed;
    }

    case 5:
    case 6:
    case 7:
    case 8:
    case 9:
        return in_Rod_mn;
    }
}

int main() {
    double volime_grad = rand() % 90 + 1;
    double abc = 180 - 2 * volime_grad;

    int select = rand() % 4;

    word danoe[3];
    word seach[3];

    switch (select)
    {
    case 0:
        strcpy(danoe, "BAC");
        break;

    case 1:
        strcpy(danoe, "DAC");
        break;

    case 2:
        strcpy(danoe, "BCA");
        break;

    case 3:
        strcpy(danoe, "ACD");
        break;
    }

    select = rand() % 2;

    switch (select)
    {
    case 0:
        strcpy(seach, "ABC");
        break;

    case 1:
        strcpy(seach, "ADC");
        break;
    }

    cout << "Задание:" << endl;
    cout << "В ромбе ABCD угол " << danoe << " равен " << volime_grad << " " << outword(volime_grad, "градус", "градуса", "градусов") << ". Найдите угол " << seach << "." << endl;
    cout << "Ответ дайте в градусах." << endl;
    cout << "Ответ:" << endl;
    cout << abc << endl;

    return 0;
}