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>
#define lld long long int
#define vec vector<lld>
#define pll pair<lld,lld>
#define pb push_back
#define ss second
#define ff first
#define mp make_pair
#define mod 1000000007
#define answer(x) cout<<endl<<"answer : "<<x<<endl<<endl;
#define op(x) cout<<x<<endl;
#define maxn 500005
#define messi ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
int main() {messi lld t=1;//cin>>t;
    while(t--)
    {
        lld n=0,m=0,k=0,i=0,j=0,p=0,q=0,x=0,y=0,z=0,ans=0,cnt=0,l=0,r=0,mid=0,lo=0,hi=0;string s;bool flag=false;
        cin>>x>>y>>z;
        cnt = (x+(z-1))/z;
        if(cnt<=y)
            cout<<"Yes"<<endl;
        else cout<<"No"<<endl;

    }
	return 0;
}
/*  CODED BY:-
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