#include <stdio.h>

int main() {
    int a, b, suma;
    FILE *in = fopen("adunare.in", "r");
    if (in == NULL) {
        printf("Nu s-a putut deschide fisierul de intrare.\n");
        return 1;
    }
    fscanf(in, "%d", &a);
    fscanf(in, "%d", &b);
    suma = a + b;
    fclose(in);
    FILE *out = fopen("adunare.out", "w");
    if (out == NULL) {
        printf("Nu s-a putut deschide fisierul de iesire.\n");
        return 1;
    }
    fprintf(out, "%d\n", suma);
    fclose(out);
    return 0;
}