n={{15,1},{16,1},{37,1},{43,1},{49,1},{15,2},{16,2},{37,2},{43,2},{49,2},{15,4},{16,4},{37,4},{43,4},{49,4},{15,6},{16,6},{37,6},{43,6},{49,6},{15,7},{16,7},{37,7},{43,7},{49,7},{15,8},{16,8},{37,8},{43,8},{49,8},{15,9},{16,9},{37,9},{43,9},{49,9},{15,11},{16,11},{37,11},{43,11},{49,11},{15,13},{16,13},{37,13},{43,13},{49,13},{16,15},{37,15},{43,15},{49,15},{15,16},{37,16},{43,16},{49,16},{15,17},{16,17},{37,17},{43,17},{49,17},{15,19},{16,19},{37,19},{43,19},{49,19},{15,21},{16,21},{37,21},{43,21},{49,21},{15,22},{16,22},{37,22},{43,22},{49,22},{15,24},{16,24},{37,24},{43,24},{49,24},{15,25},{16,25},{37,25},{43,25},{49,25},{15,26},{16,26},{37,26},{43,26},{49,26},{15,30},{16,30},{37,30},{43,30},{49,30},{15,33},{16,33},{37,33},{43,33},{49,33},{15,36},{16,36},{37,36},{43,36},{49,36},{15,37},{16,37},{43,37},{49,37},{15,38},{16,38},{37,38},{43,38},{49,38},{15,39},{16,39},{37,39},{43,39},{49,39},{15,40},{16,40},{37,40},{43,40},{49,40},{15,41},{16,41},{37,41},{43,41},{45,41},{48,41},{15,43},{16,43},{37,43},{41,43},{45,43},{48,43},{49,43},{15,45},{16,45},{37,45},{41,45},{43,45},{48,45},{49,45},{15,48},{16,48},{37,48},{41,48},{43,48},{45,48},{49,48},{15,49},{16,49},{37,49},{41,49},{43,49},{45,49},{48,49}};