def checkio(data):
M_count = data // 1000
D_count = data % 1000 // 500
C_count = data % 1000 % 500 // 100
L_count = data % 1000 % 500 % 100 // 50
X_count = data % 1000 % 500 % 100 % 50 // 10
V_count = data % 1000 % 500 % 100 % 50 % 10 // 5
I_count = data % 1000 % 500 % 100 % 50 % 10 % 5
if I_count > 3:
if V_count == 1:
roman_number = 'IX'
else:
roman_number = 'IV'
else:
roman_number = 'V' * V_count + 'I' * I_count
if X_count > 3:
if L_count == 1:
roman_number = 'XC' + roman_number
else:
roman_number = 'XL' + roman_number
else:
roman_number = 'L' * L_count + 'X' * X_count + roman_number
if C_count > 3:
if D_count == 1:
roman_number = 'CM' + roman_number
else:
roman_number = 'CD' + roman_number
else:
roman_number = 'D' * D_count + 'C' * C_count + roman_number
roman_number = 'M' * M_count + roman_number
print(roman_number)
checkio(6)