#include <iostream>
#include <fstream>
using namespace std;
ifstream f("euclid2.in");
ofstream g("euclid2.out");
int main()
{
int a,b,c,d;
f>>c;
while (c>=1)
{
f>>a>>b;
while (a>0 && b>0){
if (a>b) a=a%b;
if (b>a) b=b%a;}
c=c-1;
if (a==0) d=b;
if (b==0) d=a;
g<<d<<'\n';a=0;b=0;
}
return 0;
}dc nu imi merge nu inteleg?
