package main
import(b "bufio"
"os"
f "fmt")
func main(){
s:=b.NewScanner(os.Stdin)
for i:=0;i<32;i++{
s.Scan()
s:=s.Text()
if s[1]==s[2]{
f.Print(s[2]-'0')
}else{
f.Print(s[4]-'0')
}}}