print 1 / 2;
print 7 / 3;
print 7 / 3.0;
print 7.0 / 3;
print 7.0 / 3.0;
print 3 / 4 + 5;
print 6 + 7 / 8 + 9;
print 3.5 / 5.5;
print 4.0 / 1;
print 1 / 2.0;
print 20 * 2 / 3 / 5;
print 20.0 * 2 / 3 / 5;