#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() #include<bits/stdc++.h> using namespace std; int main(){ /* cout<<"This is a C program."<<endl;*/ int a=123,b=456; cout<<"sum is"<<a+b<<endl; return 0; }