#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;

ll dp[7][601][101][101];

int main(){
    int x, y;
    scanf("%d.%d", &x, &y);
    int sum = (x * 100 + y) * 4 / 100;

    dp[0][0][100][0] = 1;
    rep(i, 6)rep(s, 601)rep(mi, 101)rep(ma,101){
        ll a = dp[i][s][mi][ma];
        if(a == 0)continue;

        rep(b, 101){
            dp[i + 1][s + b][min(mi, b)][max(ma, b)] += a;
        }
    }

    ll ans = 0;
    rep(s, 601)rep(mi, 101)FOR(ma, mi, 101){
        ll sm = s - mi - ma;
        if(sm == sum)ans += dp[6][s][mi][ma];
    }
    cout << ans << endl;
}