13 lines
		
	
	
		
			203 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			13 lines
		
	
	
		
			203 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
| 
								 | 
							
								<?php
							 | 
						||
| 
								 | 
							
								while($s=explode(' ',trim(fgets(STDIN)))) {
							 | 
						||
| 
								 | 
							
									
							 | 
						||
| 
								 | 
							
									if($s[1]%5) {
							 | 
						||
| 
								 | 
							
										echo $s[1];
							 | 
						||
| 
								 | 
							
										} else {
							 | 
						||
| 
								 | 
							
											$new = round($s[1]-$s[1]-0.5,2);
							 | 
						||
| 
								 | 
							
											if($new) 
							 | 
						||
| 
								 | 
							
												echo $new;
							 | 
						||
| 
								 | 
							
												else 
							 | 
						||
| 
								 | 
							
												echo $s[1];
							 | 
						||
| 
								 | 
							
												}
							 | 
						||
| 
								 | 
							
										}
							 |