#include<iostream> #include<vector> #include<stdlib.h> #include<math.h> using namespace std; int main() {     int x, y;     cin >> x >> y;     if (x < 0 || y < 0 || x > 1000000 || y > 1000000)     {         return (0);     }     if (x == y)     {         cout << x + 1 << endl;         return (0);     }     //if (x==1)     //{     //    cout << y + 1 << endl;     //    return (0);     //}     //if (y == 1)     //{     //    cout << y + 1 << endl;     //    return (0);     //}     if (x < y)     {         int temp = x;         x = y;         y = temp;     }     //fuction y=y0/x0*x     double a = y + 1;     double b = x + 1;     double coe = a / b;     int res = 0;     double flag1 = 0;     int flag = 0;     for (int i = 0; i <= x + 1; i++)     {         double temp1 = 0;         temp1 = coe*i;         int temp2 = (int)temp1;         if (fabs(temp1 - temp2) < 0.000001 || fabs(temp1 - temp2 - 1) < 0.000001)         {             flag = 1;             flag1 = temp1;             continue;         }         else         {             int temp3_top = int(temp1 + 1);             int temp3_bottom = int(temp1);             if (temp3_top > flag1 && temp3_top > temp1 )             {                 if (flag == 1)                 {                     flag1 = temp1;                     res += 2;                     flag = 0;                     continue;                 }                 else if (temp3_bottom > flag1 && temp1 > temp3_bottom)                 {                     flag1 = temp1;                     res += 2;                     flag = 0;                     continue;                 }                 else                 {                     res += 1;                     flag1 = temp1;                     continue;                 }             }             else             {                  flag1 = temp1;                 res += 2;                 continue;             }         }     }     cout << res << endl;     return (0); }