Problem:
Score : 100 points

Problem Statement

Takahashi is meeting up with Aoki.

They have planned to meet at a place that is D meters away from Takahashi's house in T minutes from now.

Takahashi will leave his house now and go straight to the place at a speed of S meters per minute.

Will he arrive in time?

Constraints

1 \leq D \leq 10000

1 \leq T \leq 10000

1 \leq S \leq 10000

All values in input are integers.

Input

Input is given from Standard Input in the following format:

D T S

Output

If Takahashi will reach the place in time, print Yes; otherwise, print No.

Sample Input 1

1000 15 80

Sample Output 1

Yes

It takes 12.5 minutes to go 1000 meters to the place at a speed of 80 meters per minute. They have planned to meet in 15 minutes so he will arrive in time.

Sample Input 2

2000 20 100

Sample Output 2

Yes

It takes 20 minutes to go 2000 meters to the place at a speed of 100 meters per minute. They have planned to meet in 20 minutes so he will arrive just on time.

Sample Input 3

10000 1 1

Sample Output 3

No

He will be late.

Solution in C++ (GCC 9.2.1) (judge verdict: Accepted)

#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define repa(i,a,n) for(int i=a;i<=n;i++)
#define repb(i,a,n) for(int i=a;i>=n;i--)
#define trav(a,x) for(auto a=x.begin();a!=x.end();a++)
#define all(x) x.begin(),x.end()
#define fst first
#define snd second
#define pb push_back
#define mp make_pair
typedef long double ld;
typedef pair <int,int> pii;
typedef vector <int> vi;
typedef long long ll;


void solve()
{
	int d,t,s;
	cin>>d>>t>>s;
	if(s*t>=d)
	{
		cout<<"Yes"<<endl;
	}else
	{
		cout<<"No"<<endl;
	}
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    ll t=1;
	//cin>>t;
    for(int i=0;i<t;i++)
    {
		//cout<<"Case #"<<i+1<<":"<<endl;
		solve();
	}
    return 0;
}