import java.math.BigDecimal; import java.math.RoundingMode; import java.util.Scanner; class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); BigDecimal A = sc.nextBigDecimal(), B = sc.nextBigDecimal(); sc.close(); System.out.print(A.divide(B, 50, RoundingMode.DOWN)); } }