Given the following program segment.

z = 0;

g = 0;

s = 0;

i = 1;

while (i < 10) {

printf( Enter an integer: );

scanf(%d, &t);

s = s + t;

if (t >= 0)

g = g + 1;

else

z = z + 1;

i = i + 1;

}

How many times is the while statement executed?