#include <cstdio>
 
#define MAX 1000000
#define MIN 0
#define SIZE 200
 
int main() {
 int i,j;
 int a,b;
 int cnt = 0;
 int buf = 0;
 int sets[SIZE];
 
 while(scanf("%d %d",&a,&b) != EOF) {
  if((a < MIN) || (b > MAX)) {
   continue;
  }
  
  sets[cnt] = a + b;
  ++cnt;
 }

 for(i = 0;i <= cnt;++i) {
  for(j = MAX;j >= MIN;) {
   if((sets[i] / j) != 0) {
    ++buf;
    sets[i] -= (sets[i] / j) * j;
   }
  }
  
  buf = 0;
 }

 for(i = 0;i <= cnt;++i) {
  printf("%d\n",sets[i]);
 }

 return 0;
}