An item costs a pounds and b pence. It was paid with c pounds and d pence. How much change should be returned?

Four numbers are entered: a, b, c, and d.

Output two numbers: e and f – the number of pounds and pence, respectively.

[{'input': '5\n5\n6\n5', 'output': '1 0'}, {'input': '2\n17\n2\n18', 'output': '0 1'}]