20 students lined up in a single line. Jungkook is standing right in front of Yoongi, and 11 students are standing behind him. How many students are standing in front of Yoongi?
20 11 [OP_SUB] 1 [OP_ADD] 1 [OP_SUB]
var_a = 20
var_b = 11
var_c = var_a - var_b
var_d = 1
var_e = var_c + var_d
var_f = 1
var_g = var_e - var_f
print(int(var_g))