b) In the second part, we see the instructions to read from input x and y, which are integers. main: Ii $v0,5 syscal1 1a \$to, x sw $v0,0($t0) 11 \$vo, 5 Read x syscal1 la $t0,y sw $v0,0($to) 1. What are the instructions required to read x from input? Explain what happens in each instruction. 2. In which register is the value of x stored? 3. The instructions above read x and y as integers. What change(s) must you make to read x and y as strings