The robot reaches point (6, 6) when a sequence of three instructions is executed, the first of which is a GOTO(x,y) instruction, the second is WALKX(2) and the third is WALKY(4). What are the value of x and y?
Explanation:
The final point is (6, 6). The previous point is (6, 2) and the one before is (4, 2).
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