array = [1,2,3,4,5,6,6]

count=0

for i in range(0,len(array)):
    for k in range(0,len(array)):
        if(i!=k):
            if(array[i]==array[k]):
                count+=1
          
        

if(count>0):
    print("true")
elif(count==0):
    print("false")