BOJ2745 진법 변환

https://www.acmicpc.net/problem/2745

2745번: 진법 변환

import java.util.*;
import java.io.*;
public class Main
{
	public static void main(String[] args) {
	    Scanner sc = new Scanner(System.in);
		String n = sc.next();
		int b = sc.nextInt();
		System.out.println(Integer.parseInt(n,b));
	}
}