HDU 1063 Exponentiation

import java.io.*;
import java.util.*;
import java.math.*;

public class aa
{
public static void main( String[] args )
{
BigDecimal a,b;
int c;
Scanner cin = new Scanner(System.in);
while( cin.hasNext() )
{
a = cin.nextBigDecimal();
b = BigDecimal.valueOf(1);
c = cin.nextInt();
for( int i = 0; i < c; ++i )
b = b.multiply(a);
String str = b.stripTrailingZeros().toPlainString();
if( str.charAt(0) == '0' )
System.out.println( str.substring(1) );
else
System.out.println( str );
}

}
}