problem while seperating recieved sensor data in the serial monitor

Hi...I am new to Arduino world

i would like to know how can i seperate serial monitor data recieved from another arduino via bluetooth.i successfully send X,Y values of accelarometer.since two sensor values are in the same range(intiger value from 300 to 600) in the serial monitor, i am unable to seperate it for processing.these values i am using to control two servo motor.please help me.

Thanks...

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