include stdio int main int freopen input txt stdin freopen output txt

#include<stdio.h>
int main()
{
    int a,b;
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    scanf("%d%d",&a,&b);
    printf("%d",a+b);
    fclose(stdin);
    fclose(stdout);
    return 0;
}