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def odd_Days(N): 
    hund1 = N // 100
    hund4 = N // 400
    leap = N >> 2
    ordd = N - leap 
    if (hund1): 
        ordd += hund1 
        leap -= hund1 
    if (hund4): 
        ordd -= hund4 
        leap += hund4 
    days = ordd + leap * 2
    odd = days % 7
    return odd