import java.io.*;
class simple_square2
{
public static void main(String args[])
{
try
{
int a,c;
DataInputStream cin=new DataInputStream(System.in);
System.out.println("Enter a number to calculate its square");
a=Integer.parseInt(cin.readLine());
c=a*a;
System.out.println("square of given "+a+" number is = "+c);
}
catch(Exception e)
{
System.out.println("Wrong data");
}
}
}
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