URI Online Judge | 1001
https://www.urionlinejudge.com.br/judge/en/problems/view/1001

Solution:

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