a, b = map(str, input().split())
if a==b:
print(a)
else:
print("1")
#include<bits/stdc++.h>
using namespace std;
int main()
{
string s1,s2;
cin>>s1>>s2;
if(s1==s2)cout<<s1<<endl;
else cout<<1<<endl;
}
1436A - Reorder | 1363C - Game On Leaves |
1373C - Pluses and Minuses | 1173B - Nauuo and Chess |
318B - Strings of Power | 1625A - Ancient Civilization |
864A - Fair Game | 1663B - Mike's Sequence |
448A - Rewards | 1622A - Construct a Rectangle |
1620A - Equal or Not Equal | 1517A - Sum of 2050 |
620A - Professor GukiZ's Robot | 1342A - Road To Zero |
1520A - Do Not Be Distracted | 352A - Jeff and Digits |
1327A - Sum of Odd Integers | 1276A - As Simple as One and Two |
812C - Sagheer and Nubian Market | 272A - Dima and Friends |
1352C - K-th Not Divisible by n | 545C - Woodcutters |
1528B - Kavi on Pairing Duty | 339B - Xenia and Ringroad |
189A - Cut Ribbon | 1182A - Filling Shapes |
82A - Double Cola | 45A - Codecraft III |
1242A - Tile Painting | 1663E - Are You Safe |