#include <stdio.h>
FILE *f,*g;   
long a,b;   
int main()   
{f=fopen ("adunare.in","r");   
g=fopen ("adunare.out","w");   
fscanf (f,"%ld\n",&a);    
fscanf (f,"%ld",&b);   
if(a+b<2000000000) fprintf (g,"%ld",a+b);   
fclose(f); fclose(g);return 0;}