#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ float m; int i; cin>>m; for(i=1;i<=20;i+=1) { m=m*1.2; } cout<<m; return 0; }