View Code of Problem 31

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	while(cin>>n){
		int t=0,i;
		for(i=23;t!=n;i++){
			if(i%3==2&&i%5==3&&i%7==2)
				t++;
		}
		cout<<i-1<<endl;
	}
	return 0;
}