Help me in solving CLB055 problem

My issue

telling the answer is wrong

My code

#include <stdio.h>

int main() {
    int a, b;
    int sum;
    int diff;
    scanf("%d", & a);
    scanf("%d", & b);
    // Complete the code
    sum=a+b;
    diff=a-b;
printf("Sum is:%d\nDifference is:%d",sum,diff);
}

Learning course: Programming and Problem solving using C
Problem Link: https://www.codechef.com/learn/course/ciet-programming-c/CIETPC13/problems/CLB055