#include<stdio.h>

int main()
{

    FILE *f,*g;
    long int a,b,s;
    f=fopen("adunare.in","r");
    g=fopen("adunare.out","w");
    fscanf(f,"%ld",&a);
    fscanf(f,"%ld",&b);
    s=(long int)(a+b);
    if(s<=2000000000)
    {
    fprintf(g,"%ld",s);
    }
    fclose(f);
    fclose(g);
    return 0;

}