void main() {
    print 1 / 2;
    print 7 / 3;
    print 7.0 / 3.0;
    print 7.0 / 3.0;
    print 7.0 / 3.0;
    print 3 / 4 + 5;
    print 6 + 7 / 8 + 9;
    print 3.5 / 5.5;
    print 4.0 / 1.0;
    print 1.0 / 2.0;
    print 20 * 2 / 3 / 5;
    print 20.0 * 2.0 / 3.0 / 5.0;
}