27 13
str_a_1
int_b_2
str_c_3
add_b_4_to_b
mul_a_5_to_c
add_a_c_to_a
add_b_6_to_b
mul_a_7_to_c
add_a_c_to_a
return_a
return_b
return_c
return_div_a_c