Run error in 5 test cases

#1

my code is passing 1 test case and shows run error in rest of the cases
code link::https://ide.codingblocks.com/s/191885

#2

@Rohan_singla,
In the lines:
String a = n1 + “” + n2;
int as = Integer.parseInt(a);
In case the value of String a exceeds the maximum range for integer (int). It will give you an error.

#3

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