#include <stdio.h>
int a,b;
int main()
{
    FILE *suma;
    suma = fopen("suma.in","r");
    fscanf(suma,"%d",&a);
    fscanf(suma,"%d",&b);
    fclose(suma);
    suma = fopen("suma.out","w");
    fprintf(suma,"%d",a+b);
    fclose(suma);
}