Problem link:https://www.urionlinejudge.com.br/judge/en/problems/view/1001
Solution:
Here print endline means print newline that means you have to use \n just after %d if you are using c language for this problem solution
Here goes the code
https://github.com/zakilive/uri/blob/master/1001
#include<stdio.h>
int main()
{
int A,B,X;
scanf("%d %d",&A,&B);
X=A+B;
printf("X = %d\n",X);
return 0;
}