PKU 1001

Java('A`)ﾜｶﾝﾈ
Exponentiation

import java.util.Scanner;
import java.math.BigDecimal;

class Main
{
    public static void main( String[] args )
    {
        Scanner s = new Scanner( System.in );
        
        while ( s.hasNext() )
        {
            String R = s.next();
            int n = s.nextInt();
            
            while ( R.charAt(R.length()-1) == '0' )
                R = R.substring(0,R.length()-1);
            
            BigDecimal Rn = new BigDecimal(1);
            for ( int i=0; i<n; i++ )
                Rn = Rn.multiply(new BigDecimal(R));
                
            String sR = Rn.toPlainString();
            
            if ( sR.substring(0,2).equals("0.") )
                sR = sR.substring(1);
            
            System.out.println(sR);
        }
    }
}