25 lines
266 B
C++
25 lines
266 B
C++
#include<iostream>
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using namespace std;
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bool isp(int n)
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{
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for(int i=2;i*i<=n;i++) if(n%i==0) return 0;
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return 1;
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}
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int main()
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{
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int n;
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long long p;
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cin>>n;
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for(long long i=2,j=0;j<n;i++)
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{
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if(isp(i))
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{
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p=i;
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j++;
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}
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}
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cout<<p<<endl;
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return 0;
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}
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