백준 10757

package baekjoon.구현;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.math.BigDecimal;
import java.util.StringTokenizer;

class Main10757 {

   public static void main(String[] args) throws Exception {
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      StringTokenizer st = new StringTokenizer(br.readLine());

      BigDecimal A = new BigDecimal(st.nextToken());
      BigDecimal B = new BigDecimal(st.nextToken());

      System.out.println(A.add(B));

   }
}