print("Enter the no donors available")
a=int(input())
name=[0]*a
email=[0]*a
mob=[0]*a
bg=[0]*a
for i in range(a):
    print("Enter the details of donor",i+1)
    name[i]=str(input())
    email[i]=str(input())
    mob[i]=str(input())
    bg[i]=str(input())
print("Enter the required blood group")
bgr=str(input())
f=0
for i in range(a):
    if(bgr==bg[i]):
        print("Details of matched donor")
        f=1
        print(name[i])
        print(email[i])
        print(mob[i])
        print(bg[i])
if(f==0):
    print("No donor with required blood group")