Explain how to solve

int num$1,$ num$2$;

cout $"$Enter two integers: $"$;

cin $$ num$1$; $//$suppose the input is $$

cin $$ num$2$; $//$suppose the input is $49$

cout $$ endl;

if $($num$1==0$ & & num$2,I=0)$

cout fabs num $1+$ num $2+.$ end $1$ ;

else if $($num$1==0)$

cout $$ floor num $1+0.$ end $1$ ;

else if $($num$21=0)$

cout $$ cell $($num$2+0\mathrm{.}1$