Seung-hyeon gave Su-yeon 2 pieces of pizza, and Seung-hyeon had 5 more pieces of pizza than Su-yeon had. Find how many more pieces Seung-hyeon had before giving them.
5 2 [OP_ADD] 2 [OP_ADD]
var_a = 5
var_b = 2
var_c = var_a + var_b
var_d = 2
var_e = var_c + var_d
print(int(var_e))