import pandas as pd

df = pd.DataFrame({'A': [1, 5, 3, 8, 7], 'B': [6, 2, 9, 4, 0]})
value = 4
n = 100

# Find the n largest values in column A
largest_values = df['A'].nlargest(n)

# Select the values that are greater than the given value
selected_values = largest_values[largest_values > value]
print(selected_values)

# Get the positions of the selected values
positions = selected_values.index

print(positions)