#include <stdio.h>

void main()
{
	int exam1=101;
	int exam2=101;
	
	while(exam1>100 || exam1<0)//Exam 1
	{
		printf("Please enter your mark (1-100): ");
		scanf("%d", &exam1);
	}

	//Exam 2
	while(exam2>100)
	{
		printf("Please enter your second mark (1-100):");
		scanf("%d", &exam2);
	}



	printf("End of program");

}