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水、
AC代码：
1 import java.util.Scanner; 2 3 public class Main { 4 5 public static void main(String[] args) { 6 7 Scanner sc=new Scanner(System.in); 8 9 int times=sc.nextInt(); 10 while(times-->0){ 11 double a=sc.nextInt()*1.0/sc.nextInt(); 12 double b=sc.nextInt()*1.0/sc.nextInt(); 13 14 System.out.println(a>=b?"iphone 5S":"iphone 5C"); 15 } 16 17 } 18 19 }