class Main{public static void main(String[]s){long i=1,a=101,o=new java.util.Scanner(System.in).nextLong();for(;a<o;i++)a+=a/100;System.out.print(i);}} class Main{public static void main(String[]s){long i=1,a=101,o=new java.util.Scanner(System.in).nextLong();for(;a<o;i++)a+=a/100;System.out.print(i);}} Main public static void main(String[]s){long i=1,a=101,o=new java.util.Scanner(System.in).nextLong();for(;a<o;i++)a+=a/100;System.out.print(i);} main {long i=1,a=101,o=new java.util.Scanner(System.in).nextLong();for(;a<o;i++)a+=a/100;System.out.print(i);} long i=1 i 1 a=101 a 101 o=new java.util.Scanner(System.in).nextLong(); o new java.util.Scanner(System.in).nextLong() new java.util.Scanner(System.in).nextLong new java.util.Scanner(System.in) for(;a<o;i++)a+=a/100; ; a<o a o i++ i++ i a+=a/100; a+=a/100 a a/100 a 100 System.out.print(i) System.out.print System.out System System.out i String[]s s
class Main{public static void main(String[]s){long i=1,a=101,o=new java.util.Scanner(System.in).nextLong();for(;a<o;i++)a+=a/100;System.out.print(i);}}