```c#
#include<stdio.h>
int main(void)
{
float i;
float upper;
float sum1, sum2;
_Bool enter_is_right;
printf("Please enter the total number of time(<=0 to quit):");
enter_is_right = scanf_s("%f", &upper);
while ((upper > 0) && enter_is_right)
{
for (i = 1.0, sum1 = 0.0, sum2 = 0.0; i <= upper; i++)
{
sum1 += 1.0 / i;
sum2 += (1.0 / i) * (float)pow(-1.0, i + 1);
}
printf("sum1=%f,sum2=%f\n", sum1, sum2);
printf("Enter the upper(<=0 to quit:");
scanf_s("%f", &upper);
}
printf("bye!\n");
return 0;
}
```