#include<stdio.h>
FILE *in,*out;
int a,b,c;
int main()
{
    in=fopen("adunarein.txt","r");
    out=fopen("adunareout.txt","w");
    fscanf(in,"%d\n%d",&a,&b);
    c=a+b;
    if (c<2000000000)
        fprintf(out,"%d",c);fflush(stdout);
	fclose(in);
	fclose(out);
return 0;
}