#include<iostream> using namespace std; int main() { int num1, num2, num3, num4, num5; for (int i = 10; i <= 99; i++) { num1 = i; num2 = i * 809 + 1; if (num2 >= 1000 && num2 <= 9999) { num3 = i * 8; num4 = (num2 / 100 - num3) * 100 + num2 % 100; num5 = i * 9; if (num4-num5==1&&num4>=100&&num5>=100) { cout << num1 << endl; cout << num2 << endl; cout << num3 << endl; cout << num4 << endl; cout << num5 << endl; } } } }