from time import clock
def func(temp):
    i=0
    while i<26:
        j=0
        check=[0]*91
        while j<26:
            c=ord(temp[i][j])
            if check[c]==0:
                check[c]=1
            else:
                return 1
            j+=1
        i+=1

    i=0
    while i<26:
        j=0
        check=[0]*91
        while j<26:
            c=ord(temp[j][i])
            if check[c]==0:
                check[c]=1
            else:
                return 1
            j+=1
        i+=1
    return 0
    
    

        
f=open("in8_9.txt","r")
f1=open("in_8_9.txt","w")
temp=f.readlines()
start=clock()
value=func(temp)
ela=clock()-start
f1.write(str(value)+"\ntime taken : "+str(ela))