Read from keybord with assembleur

多米诺骨牌是一个小正方形方块,每个骨牌都标有一个数字0~6,现在有28组骨牌,每组两个,各组编号为1~28,每组编号对(A domino is a small square, and each dominoes are marked with a number 0 or 6. Now there are 28 groups of dominoes, two in each group, each with a number of 12.)