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#include<bits/stdc++.h> using namespace std; using ll = long long; bool socb(int x){ int cntc = 0, cntl = 0; while(x > 0){ int a = x%10; if(a % 2 == 1) cntl++; else cntc++; x/=10; } if(cntc == cntl) return true; return false; } int main(){ int n; cin >> n; int cnt = 0; for(int i = pow(10,n-1); i < pow(10,n); i++){ if(socb(i)){ cout << i << " "; cnt++; } if(cnt == 10){ cout << endl; cnt = 0; } } return 0; }