you give large integer n represent string integer digit x the digit n digit x inclusive range 1 9 n represent negative numberyou want maximize ns numerical value insert x decimal representation n you insert x leave negative signFor example n 73 x 6 good insert 7 3 making n 763if n 55 x 2 good insert 5 make n 255return string represent maximum value n insertion Example 1input n 99 x 9output 999explanation the result regardless insert 9example 2input n 13 x 2output 123explanation you n 213 123 132 large 123 Constraints1 nlength 1051 x 9The digit n range 1 9n valid representation integerIn case negative n begin