#include<iostream> using namespace std; int main() { int a,b,c,d,e,i,j; for(i=1000;i<=9999;i++){ for(j=10;j<=12;j++){ if(i/j==809&&i%j==1){ a=j; b=i; c=j*8; e=j*9; d=e+1; } } } cout<<a<<endl; cout<<b<<endl; cout<<c<<endl; cout<<d<<endl; cout<<e<<endl; return 0; }