//============================================================================
// Name        : oops.cpp
// Author      : 
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
using namespace std;

const int MAX_NUMBERS = 10;

int main() {
   int count = 0;
   float nums[MAX_NUMBERS];
   float x;
   cin >> x;
   while (cin && count < MAX_NUMBERS) {
      nums[count] = x;
      ++count;
      cin >> x;
   }
   int pos = 0;
   while (pos < count - 1 && nums[pos] < nums[pos + 1])
      ++pos;
   if (pos < count - 1)
      cout << "Sorry, didn't always increase." << endl;
   else
      cout << "Increasing." << endl;
   return 0;
}