So i made my C++ code in notepad but it doesnt open for more than.1 seconds?

i put the getch(); thing and included lybaries but i only opens for a little

heres the code:

#include <stdio.h>
#include <conio.h>

main()


{
int grade1, grade2, grade3, grade4, grade5, grade6, total, average;

printf("enter grade1: "); /* whitch grade to put in */
scanf("%d", &grade1);
if (grade1 >= 90)
printf("A\n\n", grade1);
else
if(grade1 >= 80)
printf("B\n\n");
else
if (grade1 >=70)
printf("C\n\n");
else
if (grade1 >=60)
printf("D\n\n");
else
printf("F\n\n");

printf("enter grade2: ");
scanf("%d", &grade2);
if (grade2 >= 90)
printf("A\n\n", grade2);
else
if(grade2 >= 80)
printf("B\n\n");
else
if (grade2 >=70)
printf("C\n\n");
else
if (grade2 >=60)
printf("D\n\n");
else
printf("F\n\n");
printf("enter grade3: ");
scanf("%d", &grade3);
if (grade1 >= 90)
printf("A\n\n", grade3);
else
if(grade3 >= 80)
printf("B\n\n");
else
if (grade3 >=70)
printf("C\n\n");
else
if (grade3 >=60)
printf("D\n\n");
else
printf("F\n\n");
printf("enter grade4: ");
scanf("%d", &grade4);
if (grade4 >= 90)
printf("A\n\n", grade1);
else
if(grade4 >= 80)
printf("B\n\n");
else
if (grade4 >=70)
printf("C\n\n");
else
if (grade4 >=60)
printf("D\n\n");
else
printf("F\n\n");
printf("enter grade5: ");
scanf("%d", &grade5);
if (grade5 >= 90)
printf("A\n\n", grade1);
else
if(grade5 >= 80)
printf("B\n\n");
else
if (grade5 >=70)
printf("C\n\n");
else
if (grade5 >=60)
printf("D\n\n");
else
printf("F\n\n");
printf("enter grade6: ");
scanf("%d", &grade6);
if (grade6 >= 90)
printf("A\n\n", grade1);
else
if(grade6 >= 80)
printf("B\n\n");
else
if (grade6 >=70)
printf("C\n\n");
else
if (grade6 >=60)
printf("D\n\n");
else
printf("F\n\n");

total = (grade1 + grade2 + grade3 + grade4 + grade5 + grade6);
/* adds up grades^ */
average = total / 6;

printf("Class average is %d\n", average);



getch();
return 0;
}

either run it from the windows command line (start button -> run -> type 'cmd' and hit enter -> navigate to your program)

or at the end of you program make a temporary variable up... force it to get user input into that temp variable.. this is to do nothing more than to put a check before the program exits.. again temp variable does nothing but give the cin statement something to dump a value to..