Jungkook has 3 red balls and Yoongi has 2 blue balls. When Yoongi gave 1 blue ball to Jungkook, how many balls does Jungkook have now?
3 1 [OP_ADD]
var_a = 3
var_b = 1
var_c = var_a + var_b
print(int(var_c))