$($see TestScanfandCondition.c in Folio if needed$)$ Write a C program A$1$p$3.$c to read from stdin a specified number of lines of input $($each line can be assumed to contain a pair of integers separated by a space$).$ The program should print the product of the two numbers after each line is received. A sample run looks like the following:

$[$kwang@computer$][$~$/$temp$]$$ $./$A$1$p$3$

How many pairs to input? $3$

$12$

The product of $1$ and $2$ is $2.$

$56$

The product of $5$ and $6$ is $30.$

$9-28$

The product of $9$ and $-28$ is $-252.$