func_code_string: #include<bits/stdc++.h>    using namespace std;    #define ll long long   int main() {    ll k,l,r,t,x,y;    cin>>k>>l>>r>>t>>x>>y;    if(k<l || k>r) {        cout<< No <<endl; return 0;    }    if(x>y) {        if(k+y>r) k-=x; t--;        if(k<l) return cout<< No <<endl,0;        if((k-l)/(x-y) < t ) {            cout<< No <<endl; return 0;        }        cout<< Yes <<endl; return 0;    }    else {        vector<bool> was(x,false);        while(t>0) {            if(was[k%x]) return cout<< Yes <<endl,0;            was[k%x]=true;            ll remd=min(t,(k-l)/x);            k-=remd*x;            t-=remd;            if(t==0) return cout<< Yes <<endl,0;            t--;            if(k+y<=r) k+=y;            k=k-x;            if(k<l || k>r) return cout<< No <<endl,0;        }        cout<< Yes <<endl;    }    return 0;   }   