#include <stdio.h>  
     
   int main()  
   {  
       remove("adunare.out");  
       FILE *input, *output;  
       long int a, b, c;  
       input = fopen("adunare.in", "r");  
       fscanf(input,"%d\n%d", &a, &b);  
       c = a + b;  
       output = fopen("adunare.out", "a");  
       fprintf(output, "%d\n", c);  
       fclose(input);  
       fclose(output);  
   }