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Spell.java
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Spell.java
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import java.util.*;
class Spell
{
public static void main(String args[])
{
Scanner ob=new Scanner(System.in);
String s1,s2,s3="",s="bob",ss="obb",sss="bbo";
int i,n;char x,y;n=ob.nextInt();
while(n>0)
{ s1=ob.next();
s2=ob.next();
for(i=0;i<3;i++)
{
x=s1.charAt(i);
y=s2.charAt(i);
if(x=='b'||x=='o'||x=='b')
s3=s3+x;
else
s3=s3+y;
} if(s3.equals(s)==true||s3.equals(ss)==true||s3.equals(sss)==true||s2.equals(s)==true||s2.equals(ss)==true||s2.equals(sss)==true)
System.out.println("yes");
else
System.out.println("No");
s1="",s2="",s3="";--n; }
}}