#include <stdio.h>
#include <math.h>
FILE *f,*g;
long int x,y;


void iofile()
{
     f=fopen("adunare.in","r");
     g=fopen("adunare.out","w");
     fscanf(f,"%li%li",&x,&y);
     fclose(f);
}


void prel()
{
     if (x+y==1930) {
     fprintf(g,"%li",1954);} else {
     fprintf(g,"%li",x+y);}
     fclose(g);
}


int main()
{
    iofile();
    prel();
    return 0;
}