16 teams are about to have a soccer match. Two teams have a game to eliminate the losing team, while only the winning team is allowed to proceed to the next game, and the team who won the last game wins the match. Find the total number of games.
16 1 [OP_SUB]
var_a = 16
var_b = 1
var_c = var_a - var_b
print(int(var_c))