# Практика

def is_armstrong(a):
    true_a = a
    armstrong = 0
    count = len(str(a))
    count2 = count
    while count2!= 0:
        armstrong = armstrong + ((a%10)** count)
        a = a//10
        count2-=1
    if armstrong == true_a:
        return True
    return False


if __name__ == '__main__':
    print(is_armstrong(153))