C:

``c

#include<stdio.h>

int main()

{

printf("**************************\n");

printf("dotcpp.com\n");

printf("**************************\n");

return 0;

}

c``

C++:

``cpp

#include<iostream>

#include<stdio.h>

using namespace std;

int main()

{

    int a,b;

    while(cin>>a>>b)printf("%d\n",a+b);

    return 0;

}

cpp``

python:

``py

while True:

try:

a,b=map(int,input().strip().split())

print(a+b)

except:

break

py``