give parenthesis stre s contain character a parenthesis stre balanced ifAny leave parenthesis correspond consecutive right parenthesis left parenthesis correspond consecutive right parenthesis in word treat open parenthesis closing parenthesisfor example balanced balancedyou insert characters position string balance neededreturn minimum number insertion need s balanced Example 1input s output 1explanation the second matching matching we need add end stre balancedExample 2input s output 0explanation the string balancedExample 3input s output 3explanation add match add match Constraints1 slength 105s consist