Timus: 1011 (Conductors)



// http://acm.timus.ru/problem.aspx?space=1&num=1011
// Runtime: 0.015s
// Tag: Math, Eps

// @BEGIN_OF_SOURCE_CODE

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <string>
#include <cctype>
#include <stack>
#include <queue>
#include <list>
#include <vector>
#include <map>
#include <sstream>
#include <cmath>
#include <bitset>
#include <utility>
#include <set>
#include <numeric>
#include <ctime>

#define Inf 2147483647
#define Pi acos(-1.0)
#define N 1000000
#define LL long long

#define F(i, a, b) for( int i = (a); i < (b); i++ )
#define Fs(i, sz) for( size_t i = 0; i < sz.size (); i++ )
#define Fe(it, x) for(typeof (x.begin()) it = x.begin(); it != x.end (); it++)
#define Pr(x) for(typeof (x.begin()) it = x.begin(); it != x.end (); it++) cout << *it << " "; cout << endl;
#define Set(a, s) memset(a, s, sizeof (a))
#define Rd(r) freopen(r, "r", stdin)
#define Wt(w) freopen(w, "w", stdout)

using namespace std;


int main ()
{
	double p, q; scanf ("%lf %lf", &p, &q);

	double people = 1;

	while ( true ) {
		double a = people * p / 100;
		double b = people * q / 100;
		a += 1e-6;
		b -= 1e-6;

		int t1 = ceil (a);
		int t2 = floor (b);

		if ( t1 == t2 ) { printf ("%0.lf\n", people); break; }
		people++;
	}

	return 0;
}

// @END_OF_SOURCE_CODE
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