C :

#include<stdio.h>
int main(){
   int a,b;
  scanf("%d%d",&a,&b);
  printf("%d\n",a+b);
  return 0;
}

C++ :

#include<bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
    cin>>a>>b;
    cout<<a+b;
   return 0;
}

Python :

# coding=utf-8
a,b = map(int,input().split())
print(a+b)