#include"bits/stdc++.h" using namespace std; #define ALL(x) begin(x),end(x) #define rep(i,n) for(int i=0;i<(n);i++) #define debug(v) cout<<#v<<":";for(auto x:v){cout<bool chmax(T &a,const T &b){if(abool chmin(T &a,const T &b){if(b ostream &operator<<(ostream &os,const vector&v){ for(int i=0;i<(int)v.size();i++) os< istream &operator>>(istream &is,vector&v){ for(T &x:v)is>>x; return is; } // 2^127 = 170141183460469231731687303715884105728 ~ 10^38 ostream &operator<<(ostream &os,const __int128 &n){ if(n==0){ os<<0; return os; } __int128 num=n; bool neg=false; if(num<0)neg=true,num=-num; string res=""; while(num>0){ res.push_back('0'+num%10); num/=10; } if(neg) res.push_back('-'); reverse(begin(res),end(res)); os<>(istream &is,__int128 &n){ string s; is>>s; int idx=0; bool neg=false; if(s[0]=='-')neg=true,idx++; n=0; for(;idx<(int)s.size();idx++){ n=10*n+s[idx]-'0'; } if(neg) n=-n; return is; } __int128 abs128(__int128 x){ return x<0?-x:x; } __int128 gcd128(__int128 a,__int128 b){ if(a==0) return b; if(b==0) return a; return b>0?gcd128(b,a%b):a; } using int128=__int128; signed main(){ int128 N;cin>>N; for(int128 i=0;i*i*i<=N;i++){ if(i*i*i==N){ cout<<"Yes"<