#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() using namespace std; int main(){ /* int a; cin>>a; if(a>=60){ cout<<"YES"; }else{ cout<<"NO"; } */ /* int a; cin>>a; cout<<4-a%4; */ /* int a,sum=0,i; cin>>a; for(i=1;i<=5;i++){ sum+=a%10; a=a/10; } cout<<sum; */ /* cout<<123<<endl<<456; */ /* cout<<"hello,lema"; */ cout<<(10+20)*8/2; return 0; }