Test Match Target

A cricket Test match between Australia and India is played over $4$ innings. Australia bat in the $1^\text{st}$ and $3^\text{rd}$ innings, while India bat in the $2^\text{nd}$ and $4^\text{th}$ innings. Australia scored $X$ runs in the $1^\text{st}$ innings. India scored $Y$ runs in the $2^\text{nd}$ innings. Australia scored $Z$ runs in the $3^\text{rd}$ innings. After $3$ innings, Australia