#include<iostream> int main(){ int a,b,c,d,e,f,g,h,i; a=(1+1)*2; b=(a+1)*2; c=(b+1)*2; d=(c+1)*2; e=(d+1)*2; f=(e+1)*2; g=(f+1)*2; h=(g+1)*2; i=(h+1)*2; printf("%d",i); return 0; }