42 lines
671 B
C++
42 lines
671 B
C++
#include<iostream>
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#include<cstdio>
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#include<cstdlib>
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#include<algorithm>
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#include<cmath>
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#include<queue>
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#include<stack>
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#include<map>
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#include<set>
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#include<iomanip>
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#include<string>
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#include<cstring>
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using namespace std;
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int Gcd(__int64 x,__int64 y)
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{
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if(y==0)
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return x;
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else
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return Gcd(y,x%y);
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}
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int main()
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{
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__int64 x,y,t,m;
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while(cin>>x>>y&&(x||y))
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{
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if(x<y)
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{
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t=x;
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x=y;
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y=t;
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}
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if(Gcd(x,y)==1)
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{
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m=x*y-(x+y);
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cout<<m<<endl;
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}
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else
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cout<<"Inf"<<endl;
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}
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return 0;
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}
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