46 lines
991 B
C++
46 lines
991 B
C++
#include <cstdio>
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#include <cstring>
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#define MAX(x,y) x>y?x:y
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#define MIN(x,y) x<y?x:y
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int max, min, flag, ff;
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bool f[101];
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int dfs(int t)
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{
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if(t==1)
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{
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if(flag==0)
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{
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ff = 1; flag = 1;
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if(dfs(max)) return 1;
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else {flag = 0; return 0;}
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}
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return 1;
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}
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int len = 100<t?100:t;
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for(int i = 2; i <= len; i++)
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if(t%i==0&&f[i]==0)
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{
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f[i] = 1; if(dfs(t/i)) return 1;
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f[i] = 0;
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}
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return 0;
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}
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int main ()
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{
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int a, b;
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while(~scanf("%d%d",&a,&b))
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{
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flag = 0;ff = 0;
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int ans;
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max = MAX(a,b);
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min = MIN(a,b);
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memset(f,0,sizeof(f));
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int tt = dfs(min);
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if(ff==0) ans = max;
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else if(ff==1&&tt==1) ans = max;
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else ans = min;
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printf("%d\n",ans);
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}
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return 0;
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}
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