6

#include<bits/stdc++.h>
#define I using
#define am namespace
#define KunKun std
#define IKUN int
#define caixukun main
#define kunin cin
#define kunout cout
#define jinitaimei 0;
#define kunfor for
#define kunwhile while
I am KunKun;
IKUN caixukun(){
IKUN xiao,heizi;
kunin>>xiao>>heizi;
kunout<<xiao+heizi;
return jinitaimei;
}