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BEGIN { print 1 / 10 * 10 print 1 / (10 * 10) print 1 % 10 * 10 print 1 % (10 * 10) print (10 * 5) / 2 print 10 * (5 / 2) print 10 - (1 + 3 * 3) print 10 - (3 * 2 + 1) a = 5 b = 3 print a - 1 - b print a + 1 - b }