
import java.math.BigInteger;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        BigInteger a=BigInteger.valueOf(100);
        BigInteger x=sc.nextBigInteger();
        int count=0;
        while (a.compareTo(x)<0){
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        }
        System.out.println(count);
    }
} import java.math.BigInteger; BigInteger java.math import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        BigInteger a=BigInteger.valueOf(100);
        BigInteger x=sc.nextBigInteger();
        int count=0;
        while (a.compareTo(x)<0){
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        }
        System.out.println(count);
    }
} Main public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        BigInteger a=BigInteger.valueOf(100);
        BigInteger x=sc.nextBigInteger();
        int count=0;
        while (a.compareTo(x)<0){
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        }
        System.out.println(count);
    } main {
        Scanner sc=new Scanner(System.in);
        BigInteger a=BigInteger.valueOf(100);
        BigInteger x=sc.nextBigInteger();
        int count=0;
        while (a.compareTo(x)<0){
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        }
        System.out.println(count);
    } Scanner sc=new Scanner(System.in); sc new Scanner(System.in) BigInteger a=BigInteger.valueOf(100); a BigInteger.valueOf(100) BigInteger.valueOf BigInteger 100 BigInteger x=sc.nextBigInteger(); x sc.nextBigInteger() sc.nextBigInteger sc int count=0; count 0 while (a.compareTo(x)<0){
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        } a.compareTo(x)<0 a.compareTo(x) a.compareTo a x 0 {
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        } a= a.add(a.divide(BigInteger.valueOf(100))) a a.add(a.divide(BigInteger.valueOf(100))) a.add a a.divide(BigInteger.valueOf(100)) a.divide a BigInteger.valueOf(100) BigInteger.valueOf BigInteger 100 count++ count System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        BigInteger a=BigInteger.valueOf(100);
        BigInteger x=sc.nextBigInteger();
        int count=0;
        while (a.compareTo(x)<0){
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        }
        System.out.println(count);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        BigInteger a=BigInteger.valueOf(100);
        BigInteger x=sc.nextBigInteger();
        int count=0;
        while (a.compareTo(x)<0){
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        }
        System.out.println(count);
    }
} Main

import java.math.BigInteger;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        BigInteger a=BigInteger.valueOf(100);
        BigInteger x=sc.nextBigInteger();
        int count=0;
        while (a.compareTo(x)<0){
            a= a.add(a.divide(BigInteger.valueOf(100)));
            count++;
        }
        System.out.println(count);
    }
}
