Find the final X and Y when they are Altering under given condition | Function to get final value of X and Y ; Following the sequence but by replacing minus with modulo ; Step 1 ; Step 2 ; Step 3 ; Otherwise terminate ; Get the initial X and Y values ; Find the result
< ? php function alter ( $ x , $ y ) { while ( true ) { if ( $ x == 0 $ y == 0 ) break ; if ( $ x >= 2 * $ y ) $ x = $ x % ( 2 * $ y ) ; else if ( $ y >= 2 * $ x ) $ y = $ y % ( 2 * $ x ) ; else break ; } echo " X = " , ▁ $ x , ▁ " , " , ▁ " Y = " } $ x = 12 ; $ y = 5 ; alter ( $ x , $ y ) ; ? >