In a bag, there are (x+4) red balls, (y+2) yellow balls, (x+3) green balls, and (y+5) blue balls. Find the value of x and y?

Statement I: Probability of getting one green ball when one balls picked up randomly from bag is 1/5. Number of red balls in the bag is 25% more than the number of green balls in the bag.

Statement II: Difference between the number of red and yellow balls in the bag is 2 less than the difference between number of blue and green balls in the bag.