HDU 1000 A+B Problem C/C++

 1 int main() {
 2 
 3     int a, b;
 4 
 5     while (cin >> a >> b) {
 6 
 7         cout << a + b << endl;
 8 
 9     }
10
11     return 0;
12 
13 }

1 #include <stdio.h>
2 int main(){
3     int a, b;
4     while (scanf("%d %d", &a, &b) != EOF)
5     {
6         printf("%d\n", a + b);
7     }
8     return 0;
9 }