#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- ll K; int C[10]={1,0,0,0,1,0,1,0,2,1}; pair dp[20][2][2]; string S; pair hoge(int d,int le,int lz) { if(d<0) return {lz,0}; if(dp[d][le][lz].first>=0) return dp[d][le][lz]; ll sum=0; ll num=0; int c; FOR(c,10) { if(le==0&&c>S[d]) break; pair r=hoge(d-1,le|(c0)); num+=r.first; sum+=r.second; if(c>0||lz) sum+=r.first*C[c]; } return dp[d][le][lz]={num,sum}; } ll num(ll v) { S=to_string(v); reverse(ALL(S)); S+="000000000000000000"; FORR(c,S) c-='0'; MINUS(dp); return hoge(19,0,0).second; } void solve() { int i,j,k,l,r,x,y; string s; cin>>K; ll ret=1LL<<60; for(i=59;i>=1;i--) if(num(ret-(1LL<=K) ret-=1LL<