29 lines
691 B
C++
29 lines
691 B
C++
#include<stdio.h>
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#include<string.h>
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#include<stdlib.h>
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int main()
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{
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int n,m,p;
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int t,ans;
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while(scanf("%d%d",&n,&p)!=-1)
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{
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if(p>n) {printf("Where is hero from?\n");continue;}
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int count=0;
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ans=0;
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for(m=1;m<=n;m++)
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{
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if(m>n/2) break;
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t=n-m+1;
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while(!(t%p)) {count++;t/=p;}
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t=m;
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while(!(t%p)) {count--;t/=p;}
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if(count<=0) continue;
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if(2*m==n) ans++;
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else ans+=2;
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}
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if(!ans) printf("Where is hero from?\n");
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else printf("%d\n",ans);
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}
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return 0;
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}
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