/* * File name: q273.c * Author: ZhuTing * School: PKU Computer Science * Time: 2013-09-15 */#include 
    
     #include 
     
      int saturating_add(int x, int y){	int w = (sizeof(int) << 3) - 1;	int mark1 = ~(x ^ y) >> w;	int mark2 = ((x + y) ^ y) >> w;	int mark = mark1 & mark2;	int pos = x >> w;	int ans = ((x + y) & (~(mark)))+ (mark & ((((-1) ^ (1 << w)) & ~pos) + ((1 << w) & pos)));	return ans;}int main(){	int a = 0, b = 0;	scanf("%d%d", &a, &b);	printf("%d\n", saturating_add(a, b));	return 0;}