public class Auswertungen {
    
    static int a(int x) {
        int r = 0;
        while (x > 0) {
            r += x * x;
            x /= 2;
        }
        return r;
    }
        
    static int b(int x) {
        if ((x -= 4) <= 0)
            return x;
        return b(x--);
    }
    
    static int c(int x) {
        int r = x;
        for (int i = 1; i < x; i *= 2) 
            --r;
        return r;
    }
    
    static String d(int x) {
        if (x > 1) return "x" + d(x-1);
        return "x";
    }
    
    static int e(int x) {
        int r = x--;
        for (; x > 1; --x)
            r %= x/2;
        return (r == 0) ? e(--x) : r;
    }
    
    static int f(int x) {
        int r = x;
        while (-r <= 0)
            r -= x++/2;
        return r;
    }
            
    static String g(double f) {
        do {
            f /= 2;
        } while(f > 2);
        return 1 + f + "";
    }
    
    static boolean h(int x) {
        boolean p = false;
        switch (x) {
            case '5': break;
            case 2: p = h((short)(x+1));
            default: p = !p;
        }
        return p;
    }
    
    static String i(int x) {
        int y = 0;
        String s = "";
        while (x > -2) {
            s += x;
            x -= 2 * y++;
        }
        return s;
    }
    
    static int j(int x) {
        class F {
            int f(int x, int y) {
                if (y == 0)
                    return x;
                return f(x, x % y);
            }
        }
        return new F().f(++x, x+3);
    }
    
    static int k(int x) {
        return (x < -2 || x++ > 2) ? k(-x) : x;
    }
    
    static int l(int x) {
        for (int y = 1; y < x; y++) {
            x = x-y;
            if (x >= 2)
                continue;
            x -= 2;
        }
        return x;
    }
    
    public static void main(String[] args) {
        System.out.println(a(2) + ", " + a(5));
        System.out.println(b(2) + ", " + b(5));
        System.out.println(c(2) + ", " + c(5));
        System.out.println(d(2) + ", " + d(5));
        System.out.println(e(2) + ", " + e(5));
        System.out.println(f(2) + ", " + f(5));
        System.out.println(g(2) + ", " + g(5));
        System.out.println(h(2) + ", " + h(5));
        System.out.println(i(2) + ", " + i(5));
        System.out.println(j(2) + ", " + j(5));
        System.out.println(k(2) + ", " );
        System.out.println(l(2) + ", " + l(5));
    }
}