Taehyung and Namjoon bought 10 pieces of colored paper each and used several of them. When Taehyung gave 3 of the remaining pieces of colored paper to Namjoon, the number of pieces of colored paper they both had ended up to 6. How many pieces of colored paper did Namjoon use?
10 6 3 [OP_SUB] [OP_SUB]
var_a = 10
var_b = 6
var_c = 3
var_d = var_b - var_c
var_e = var_a - var_d
print(int(var_e))