import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; public class No0169 { public static void main(String[] args) { try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) { int K = Integer.parseInt(br.readLine()); int S = Integer.parseInt(br.readLine()); // %あたりの時間 int tm = S / (100 - K); System.out.println(100* tm); } catch (IOException e) { e.printStackTrace(); } } }