import java.util.Scanner;
public class Main {
public static void main
(String[] args
) {
Scanner scanner
= new Scanner
(System.
in);
double A=scanner.nextDouble();
double B=scanner.nextDouble();
double C=scanner.nextDouble();
double D=scanner.nextDouble();
if (B
* Math.
log(A
) > D
* Math.
log(C
)) { } else {
}
scanner.close();
}
}
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